How to measure your breathing rate

Introduction

Breathing is an essential function that keeps us alive. The rate at which we breathe can provide important information about our health and wellbeing. A slow breathing rate may indicate a medical condition, while a fast breathing rate may be a sign of anxiety or excitement.

There are many reasons why you might want to monitor your breathing rate. For example, you may want to check if your medications are working or see how your physical activity level affects your respiratory rate. You may also want to use breathing rate as a way to monitor your stress levels.

There are several ways to measure your breathing rate. You can use a traditional stopwatch or timer, or there are now many apps and wearable devices that can track your respiration.

Here, we’ll provide an overview of how to measure your breathing rate and discuss some of the reasons why you might want to do so.

How to measure your breathing rate

There are two main ways to measure your breathing rate: direct and indirect.

Direct methods involve counting the number of times your chest rises and falls over a set period of time. This can be done by placing your hand on your chest or watching yourself in a mirror.

Indirect methods use devices that measure changes in air flow, such as spirometers or pulse oximeters. These devices are usually more accurate than direct methods but may be less convenient.

To get the most accurate reading, it’s best to take multiple measurements over a period of time and then calculate the average.

Why you might want to monitor your breathing rate

There are many reasons why you might want to monitor your breathing rate. Here are some of the most common:

To check if your medications are working. If you have a chronic respiratory condition, such as asthma or COPD, you may need to take medication to help keep your breathing under control. Monitoring your breathing rate can help you see if the medication is working as it should.

To see how physical activity affects your respiratory rate. Physical activity can cause short-term changes in your breathing rate. monitoring your breathing during and after exercise can give you insight into how different types of activity affect your respiration.

To monitor your stress levels. Your breathing rate can increase when you’re feeling anxious or stressed. Monitoring your respiratory rate can help you track your stress levels over time and see if there are any triggers that cause your breathing to speed up.

To check for signs of a medical condition. A number of medical conditions can cause changes in your breathing rate. These include heart failure, sleep apnea, and anxiety disorders. If you’re concerned that you may have a medical condition, it’s important to see a doctor for a diagnosis.

How to use breathing rate to monitor stress levels

Monitoring your breathing rate can be a useful way to track your stress levels over time. There are two main ways to do this: by taking regular measurements throughout the day or by using a wearable device that tracks your respiration.

If you’re taking measurements yourself, it’s important to be consistent with how and when you measure your breathing. For example, you may want to take a reading every hour or after every stressful event.

It can also be helpful to keep a log of your measurements so you can see how your stress levels change over time. If you notice that your breathing rate is consistently high, it may be a sign that you need to find ways to manage your stress more effectively.

You can use wearable devices to track your breathing rate over time. The app will also give you insights into how different activities affect your respiration. This can be a useful way to see which activities cause your stress levels to increase.

Benefits of buying a mobile breathing rate sensor

Mobile breathing rate sensors are used for many activities, including but not limited to yoga, running, weightlifting, high-intensity interval training and indoor rowing. This post explains the benefits of purchasing a mobile breathing rate sensor:

Understand how your respiratory system works

Fitness professionals and athletes commonly use breathing rate sensors to assist them in gaining a deeper understanding of the function and activity of their respiratory system. By knowing the extent to which your breathing rate varies throughout the day, you can better understand which muscles are responsible for breathing at certain times and how you breathe when engaging in various physical activities throughout the day.

Make better-informed decisions regarding your health and fitness goals

Knowing how much air you’re inhaling and exhaling each minute is a treasured piece of information that can be utilized by people looking to improve their health. For example, if you notice that your breathing rate is slow in the morning but fast after exercising during the day, then this knowledge can be used to alter your fitness routine. This is so valuable because it will give you insight into how well or poorly your body handles stressful situations and tough workouts involving high-intensity training (such as martial arts).

Use it to monitor your energy levels throughout the day

Experiencing low energy levels is a major cause of distracted work performance and low overall productivity. When working at a computer or performing other passive activities, it’s not uncommon for people to have lower-than-normal respiratory rates that don’t match up with their body’s natural energy levels. Breathing rate sensors can be used to ensure that you maintain normal air intake while performing various tasks throughout the day.

Real-time sleep analysis

One of the best parts about a mobile breathing rate sensor is that it can track the quality of your sleeping habits, making it an excellent replacement for other devices with less-than-stellar sleep monitoring quality. It’s simple to use, too: just put it near your pillow or mouth and listen as the device tracks breathing and snoring all night. Even if you wake up at midnight for any reason, it will track this information. Then, once you complete your morning routine, get ready to see an impressive analysis from your device that helps you understand how well or how poorly you slept last night.

Reduces snoring

If you want to save your relationship with your significant other, taking care of sleep quality and breathing issues may be one of the best ways to ensure that you do so. The mobile breathing rate sensor can work as a small sleep tracker, but it’s even better if you use a breathing sensor. Snoring is often one of the worst things that can occur during sleep, but it often goes unnoticed unless someone else sleeps in the same be However, when you use a breathing sensor and set up alerts for snoring and breathing problems, it will notify you when there is an issue! This way, you’ll have the chance to make adjustments before your partner wakes up after a restless night of sleep.

The benefits of owning a smart device aren’t limited to this device alone; they’re also applicable to other gadgets that help track your activity levels and health throughout the day.

The Best Mobile breathing Rate Sensor Brands

These days, everyone is obsessed with breath tracking and analysing their own health. From athletes to parents struggling to stay active to students who want to monitor their health, the world of breath tracking has become one that is filled with options. So where do you start? As a trained technician, it’s easy for me to understand why anyone would want to buy the best mobile breathing rate sensor. Not only are these devices used for a variety of purposes, but they also have many benefits that can only be described as amazing. Here’s why you should consider getting the best mobile breathing rate sensor in your market:

THE BENEFITS OF HAVING A GOOD MOBILE BREATHING RATE SENSOR

Now that we’ve gone over why you should consider getting the best mobile breathing rate sensor in your market, let’s get on to the best reasons why you should get your device. We start with the fact that pregnant women tend to have higher rates of breathing issues than people who aren’t pregnant. For this reason, it’s important that you have a device that can help you know if your child is breathing in or out. When your child isn’t breathing in, it’s usual for him or her to become very anxious or frustrated. If this is the case, you may want to consider getting a device that can help you know if they are actually in there. Breathing rate monitors are helpful in this situation because they will be able to tell you when your child is actually breathing in and out.

THE FREEDOM YOU HAVE TO KNOW WHEN AND WHERE YOUR BREATHING IS REALLY HAPPENING

One of the things you’ll notice about most breath monitors is that you can check your own breath after a while. Some of them will actually send a message to your brain that you’re having longer periods of silence than you actually are. This is great because it will help you to understand why you’re having longer periods of silence than you actually need to. This is especially important during periods of stress because it can stress your brain even more. Another thing to keep in mind is that your breathing rate will likely depend on the surroundings. For example, if you are sitting in a car, your breathing rate will likely increase as you cruise the traffic. If you are in the middle of a field or a sports stadium, your breathing rate will likely increase as you remain still and exposed to the scenery.

THE ABILITY TO CHECK YOUR OWN BREATH AFTER A WHILE

It doesn’t matter if you are a parent, a patient, or a student; as long as you are confident in your ability to detect when your child is taking a short break, you should consider getting your device. The most useful aspect of having a device like this is that you can check your own breath after a while. You may not be aware that you have been taking a short break, but your device will be able to tell you so. If you notice that your breathing is significantly lower than it should be, or you see racing or sputtering breaths, these indicate that you may need to take a short break. You can also check your own breath with a non-invasive device like a pressure wave saw or an oxygen sensor.

THE EASE OF USING WITH NO ANNOYING PROMPTS

As we’ve already said, having a good mobile breathing rate sensor is an added bonus for those who want to stay active. It’s also important to note that not all mobile breath rate sensors are created equally. Some are very accurate, while others are less so. This is because different people have different needs and preferences when it comes to what they need. To make the most of your device, you need to decide what you need it for and get clear on what you want it to do. If you have questions or problems with your device, you can always purchase a professional Certification or Advanced Training program to learn more about how to use your device the right way.

CONCLUSION

So, you’ve gathered all the information you need to buy the best mobile breathing rate sensor in your market. Now it’s over to you to decide which of these devices you want to use. Make sure you read the reviews carefully before deciding which one you want to purchase. Make sure you follow the instructions carefully when setting up your device. Finally, make sure you take some deep breaths before hitting “play” and start exploring the many benefits of getting the best mobile breathing rate sensor in your market.

Breathing rate monitoring

What is the breathing rate?

Breathing rate refers to the number of breaths a person takes in a minute. In adults, average resting breathing rates range from 12-20 breaths per minute. When exercising or stressed, this number can rise to 30 breaths per minute.

How to monitor breathing rate

This can be done by counting the number of breaths in a minute using the radial pulse, which is located on the inside of your wrist. The radial pulse can be found by gently curling your hand until you feel the beat of your heart against your thumb. It is important to sit or stand upright to get an accurate reading. You will need to take three numbers within one minute to get a reliable average.

The following calculation can be used to determine a person’s breathing rate:

(_ beats per minute = _ breaths per minute)

For example, if you counted 15 beats in sixty seconds, the calculation would be as follows: (15 beats/60 seconds = _ breaths per minute) In this case, the answer would be 25 breaths per minute.

You can also determine your breathing rate by counting how many times your heart beats within a 15 second period and multiplying this number by four. This gives you the total beats per minute. Using this method, if you counted ten heartbeats in 15 seconds, the calculation would be as follows: (10 heartbeats x 4 = _ beats per minute) In this case, the answer would be 40 beats per minute.

How to use breathing rate to help you relax

Breathing exercises are a great way to slow your breathing down and get your heart rate under control. If you feel stressed or anxious, take three deep breaths in through your nose and out through your mouth. If you are feeling overwhelmed, place one hand on your chest and apply gentle pressure while breathing in through your nose and out through your mouth. Make sure to count the number of breaths you take in a minute when practicing these exercises so that you can accurately monitor how they impact your breathing rate.

How to use breathing rate to help you perform better in sports

Although there is not always a direct connection between breathing and physical performance, monitoring your breathing rate can help you know how you feel about specific activities. Suppose you notice that your breathing rate increases while playing basketball or softball; for example, this could be a sign of anxiety. Try doing some deep breathing and applying the same pressure techniques as described above to calm yourself down. Breathing rate can also be used as a marker for how you perform during certain fitness activities, such as swimming or cycling. If your breathing rate increases while exercising, this could be a sign that your body is not getting enough oxygen. Try shortening your breath too quick, shallow breaths. If this does not help, stop exercising and take a break until your breathing returns to normal.

How to use breathing rate as a marker for overall health

You can monitor your breathing rate at home by taking it three times in one minute or using the formula described above. Ideally, you should see a decrease in the number of breaths per minute as you age. If your breathing rate is higher than it should be, you could have a respiratory issue like sleep apnea or asthma. If this is the case, consult with your doctor for more information about addressing any breathing problems that you may have.

What Makes a Good Weather Station

Just when you thought it would be sunny, it would suddenly rain and you have nobody to blame but yourself because you were not equipped with a good weather station. Better buy from Weather Stations so you can ensure ending up with a good one before everything is said and done. It would be great if it is not that expensive but we must face the reality that we will indeed spend a lot of money for a weather station as it will give us real time weather. It should be updated every now and then since the weather can become a bit unpredictable. When you are in the middle of a huge storm then the only thing that you can think of is whether or not you can survive it. You will need to buy essentials at the nearest convenience store so that you would be prepared for the next few days. Yes, knowing the weather would require a bit of preparation when you finally know what is going on. For example, when you find out it will rain hard then may as well cancel that beach trip you were planning or else you will feel sad when you get there and it is deserted. Better just stay at home and play video games.

It would be great if you can access the weather station from your portable device as that would mean it won’t matter where you are. You will know what the weather is like for the next few hours or even the next few days. When that happens, you will be able to make quite a few plans for you and your family. For example, when you find out that it is going to rain then you forget about playing football as you would not want to risk the possibility of getting sick because you decided to do it in the middle of the rain. When you can do indoor sports then that would be nice since you will sweat it out either way. There is no reason to still exercise right in the middle of nowhere when you just want to shed a few dead weight off of your body. When you eat a lot after that then it would be completely useless so better watch your diet too other than exercising for a few minutes.

You know you bought a good weather station when it has a nice long warranty. That means the manufacturer is pretty confident of what it can exactly accomplish in the next few years. While we are all not sure of that, they sure are because that means they used the right materials in order to make this such a gem. They would not want to ruin their reputation because they worked a bit hard in order to make it such a winner for everyone involved. Just when you thought you don’t know what is going to happen to them, they right there in front of you waiting to get used.

A leading weather station shop for the customers

Do you require a professional store where you can purchase a weather station for your personal and business purposes? If yes, contact prodata professional automatic weather stations online store to buy. Weatherstations.co.uk online store is well versed and experienced for many years by selling quality Davis weather stations. Your queries and clarifications are clarified by the professionals of the weather stations exemplarily. Both wireless and cable weather stations are available for interested customers. The customers are given utmost importance by the experts of the store by matching their expectations on the right track. You can contact them online or in-person for any details you require.

Why types of weather stations the store has

Online shop weatherstations has many types of weather station models that suit different professionals in various fields. The education professionals, club members, and weather website technical people require these weather stations for their purposes. The technicians of the store help customers in all areas. The customers can call the experts at any time over the phone or by email for clarifications. The experts in turn streamline the doubts to the core satisfaction of the customers. Even these professionals visit the customers’ place for installing the weather stations and connection to the Internet.

Requirement by various professionals

Some professionals might need the weather stations for updating online sites. Hence, they need basic training from the experts of the store. Weather information guides are available for beginners, enthusiastic, educational professionals, agriculturists, engineers, construction professionals, mining, live web data, construction, and green energy professionals. The customers are provided with a self-help support manual for their doubt clarification. They can solve the problems if any arises when they operate the weather stations. The manual is self-explanatory and if they need any support, the store experts explain them over the phone.

Online advice is possible

The customers who require advice from the experts can get it online or offline. The availability of an online knowledgebase helps customers with their problems. Additional troubleshooting help is provided to the customers who require it through an online database. Due to the availability of Davis weather station product in plenty, the demand among the customers is always high. Online orders are rocking every time and the products are delivered to the customers’ doorstep. Prodata weather systems beat the completion by their quality features and top-notch service.

Different models at the store

Some models like Davis vantage, vantage hue, system accessories, data loggers and software, Davis air link, Davis Enviromonitor, specialist accessories, and other accessories are enticing customers to the shop. The professionals of the shop take an extra step by providing appropriate advice and support to the customers. A complete hassle-free service is provided to the customers who need the product. Both sales and service parts of the shop are top-notch in all aspects. The warranty feature of the product is yet another highlight of the customer who purchases the product.

How to monitor breathing rate

Breathing is the most important function of the body. It is not only important to allow oxygen to reach all parts of the body, but also to develop our strength, endurance and endurance. There are several exercises that strengthen breathing, such as brisk walking, yoga, swimming, and aerobics. If you want to counter high-stress situations and achieve optimal performance for your body, proper breathing is a must.

Breathing is involved in almost all kinds of physical exertion, including exercise and sports, dancing, singing, and speaking. Using the best breathing techniques will not only improve your performance during these activities, it will also make them more enjoyable.

It does not mean breathing vigorously. It means controlling the rhythm of our breathing and synchronizing it with the movement of our heart and lungs. When we breathe, we essentially involve the entire respiratory system in the process. The diaphragm is the main muscle used during this process. It expands and contracts as we breathe in and out air, allowing our lungs to fill with fresh oxygen. When we breathe, our main motive should be to expel as much harmful carbon dioxide as possible to make room for fresh oxygen.

The Benefits of Breathing Correctly Breathing techniques have been shown to be very effective in combating stress. They lower high blood pressure and lower heart rate rapidly, allowing a person to relax, remain calm, and overcome anger, anxiety, and a host of other negative emotions. Continuous practice of breathing techniques also rid the body of harmful toxins. Those who follow these techniques are more likely to remain calm and relaxed while being energetic and dynamic.

Whether you are a student or athlete, office executive or retired veteran, when you breathe properly, you increase your stamina for more vigorous activities and also increase your immunity to illness and injury.

Breathing techniques can also help people gain incredible presence of mind, clarity of thought, and confidence in their perspectives and actions. Importantly, breathing exercises are also great for metabolism and can help you keep those extra pounds on your body. Finally, if you do these exercises regularly, you are less likely to be short of breath. In other words, you can walk, run, jump, jump, dance, swim, bike, play, and get on with your life without running out of breath!

Conclusion

To avoid complications, especially in people with cardiovascular disease, it is necessary to know the techniques that will help you lower your heart rate immediately and with a long-term perspective. We’ve rounded up some of the most effective ways to keep your heart rate in range. Take a deep breath Long, deep breaths can help stabilize your heart rate here and now. Although it may be difficult at first, you should try to slow down your breathing as this directly influences the number of your heart beats. Breathe in deeply for about 6-7 seconds, hold, count to 3 and breathe out slowly and calmly. If you are familiar with yoga, you can use some breathing techniques from this practice. Lower your body temperature If your pulse exceeds the norm due to overheating, you need to take measures to lower the temperature. Find a cool place with air conditioning if possible or at least hide in the shade if you are outside. Take a refreshing shower or wash your face with ice water. High temperatures dilate blood vessels to facilitate heat loss. This process speeds up your heart rate, which can lead to serious heart problems.

6 Benefits of Servicing your Air Conditioning Regularly

Homeowners should maintain their air conditioners on a regular basis. A well-maintained and serviced airconditioning reduces monthly energy bills. In addition, routine AC maintenance enhances the efficiency of your system. This is essential because it enhances your comfort with minimal energy consumption. Unchecked Ac system, in the long run, can increase your energy bills. Finding the right airconditioning expert can be a daunting and time-consuming task.

There are various ways which you can use to choose the best AC expert near you. Below are tips for choosing the best airconditioning specialist.

  • Check clients’ online reviews and comments
  • Ask close friends, colleagues, and family members.
  • The reputation of the AC company.
  • Warranty
  • Experience; the right company should have a minimum of five years in this industry.

The right airconditioning expert will use the right technique to service your AC. There are numerous benefits why you should hire a reputable AC expert for routine AC maintenance.

  1. Better Air Quality

An expert Ac technician will eliminate debris and dirt particles within the HVAC unit. Accumulation of dirt and debris may severely damage your AC in the long run. This can also reduce the functioning of your system. Reduce your expense by hiring an AC specialist on a regular basis.

  1. Reliable Operation

AC systems are commonly used during the summer. Therefore, an AC appliance might fail to function due to various issues. Some of these issues are a result of insufficient maintenance. Regular AC maintenance enhances your comfort throughout the summer. Routine AC maintenance helps in identifying minor issues that can damage your appliance in the long run.

  1. Energy Efficiency

An expert AC specialist will clean blades, inspect cooling coils, and other important parts of your system. Regular cleaning and inspection of cooling coils play a significant role in reducing your monthly energy bills. A well-maintained Ac system will have a higher functioning efficiency. Dirty condensers, clogged air filters, and other problems reduce your system’s efficiency. This will consume more power, thus increasing electricity bills.

  1. Improve your Comfort

A competent Ac technician will thoroughly inspect and repair any issues that might reduce your system’s functioning. These experts will have the ability to identify any irregularities that might be of concern. Proper functioning of a well-maintained Air conditioner will enhance your home comfort.

  1. Safety

Electric appliances, such as air conditioners, should be serviced regularly in order to improve safety. For instance, dirt clogging can lead to short circuits or circuit malfunctions, which can be a hazard. A properly maintained Ac unit will improve your home safety, thus minimizing risks of a fire breakout due to faulty parts.

  1. Enhance Longevity of your System

Routine AC maintenance enhances the life span of your system. Also, it maintains excellent performance throughout its life cycle. Therefore, you’ll minimize your cost in the long run because your system will remain effective for a long duration of time. In addition, a well-maintained air conditioner will have fewer repairs.

Conclusion

Above-listed are the key benefits why you should consider hiring an AC expert for routine maintenance.

Ultrasonic anemometer.

An anemometer is used to measure the quantity of wind direction and speed. The most common anemometers sensors comprise of four or three hemispherical cans mounted on the arms of a rod. As the wind moves, the cans are driven, making the arms turn at a rate relative to wind speed. Furthermore, a wind vane integrated with an anemometer will provide the direction estimations. Whereas the vane and cup anemometers are exceptionally famous because of their basic structure, they are powerless under sticky and cold conditions as a result of their mechanical pivoting parts, perhaps making the turbine working difficult during extreme conditions. With no pivoting parts, the ultrasonic anemometers can increasingly support free, stable, dependable, and can work in adverse weather conditions. Let us survey the working standard of the ultrasonic anemometer, by examining their DIY makes as detailed by producers on the web.

Working standard of the ultrasonic wind sensor

A standard ultrasonic anemometer comprises of two sets of transducers fixed at right angles to each other. Every sensor is competent to get and transmit ultrasonic pulses. The physical separation between the contrary looking sensors is known and fixed. During the activity, the amount of time taken for one ultrasonic beat of sound to go from the North transducer toward the South transducer is contrasted with the ideal opportunity for a pulse to venture out from South to North transducer. In case there was no wind blowing, the pulse times ought to be coordinate. Something else, the sound wave going with the wind ought to show up sooner than the sound going against it. For instance, if there were wind blowing to the North, the North to South travel time would be more contrasted with the South to North travel time. The distinction in the hour of movement can provide the overall speed of wind along with North-South pivot. So also, movement times are monitored along the West-East and East-West bearings to process the wind speed along with the East/West hub. The two rectangular speed segments of the wind are then consolidated to prepare the wind vector with a resultant figure and a vector of wind speed. To estimate a three-dimensional wind speed requires sensor installation along the vertical direction as well.

DIY Ultrasonic Wind Sensors

Among DIY community and specialists, the cans-made sensor is the prominent used for DIY wind sensors. There are likewise a couple of assets accessible from retailers to build ultrasonic wind sensors. The most established report on the web is from Hardy Lau. He created two unique models of anemometers. The first supersonic anemometer plan comprised of four transducers orchestrated to perform estimations along with two symmetrical directions, much the same as we examined previously. The separation between the contrary sensors is roughly twenty-one cm. It is easy to gauge the level segments of the wind acceleration and the wind direction. The structure executes a warming instrument using four BD743 control transistors and sham resistive loads to warm the sensors and the encasing metallic body during winter to guarantee that the sensor activity is not interfered with by ice formation and snowfall. The Microchip processor is utilized to control capacities and calculation tasks associated with handling the transducer results. The wind direction and speed information are accessible for information logging through a sequential interface.

Services of photo etching

Photo etching is also known as chemical milling or metal etching. This process can be either wet or dry. Wet etching is the procedure in which metal is dissolved in a chemical solution. In the case of dry etching, the material is dissolved with the help of vapor.

The entire process of photo etching is a combination of basic etching and photolithography. In the photolithography process, patterns are created by the reaction of enzymes on molecules or by using photoresist covered substrates. This way photo-resist is developed while the substrate is exposed to ultraviolet light. Then the substrate is etched. The photoresist helps in shielding the parts of the substrates that are not required to be etched. This is a very useful method these days for creating finger stocks or circuit board shields.

The method has managed to set a wide market for itself mainly based on its functionality. This procedure is now adopted in different manufacturing units, the electronic and metal industries and in certain cases in the aircraft & aerospace divisions, as well. This method is also known as photo milling or photo etching. The electronic manufacturing industry has used this process extensively in its quality and high level of precision.

The entire method of photo etching is not so difficult. It is indeed very useful for metal components, especially when voluminous work is needed to be produced. The procedure helps in creating stencils, circuit boards, mechanical models, etc. The entire method of photo etching demands a considerable amount of attention and subtle control. The process is quick and requires a very low cost set up. Various metals, such as stainless steel and alloys with corrosion resistance power can be used for etching. Even very thin metals or foils, hard or brittle materials can undergo this process.

Applications of photo etching

Aerospace and Defense

Photo etching service is required in these sectors while building helicopters and military combat to commercial airlines. The reason for using chemical milling services in these sectors is that they offer low-cost tooling, and high accuracy, which is crucial. A highly efficient service provider can offer you various surfaces finishes, on request.

Automotive Sector

This photo-etching service is required extensively in the ever-evolving automotive sector. This is the sector where precision technology is most required for getting error-free vehicles on the roads. Only efficient photo etching would ensure that ever-higher levels of precision and tighter tolerances are maintained to improve operational efficiency in this sector.

Communication Sector

With communication technology changing like never before, there is a constant demand for communication products that are photo-etched in a precise manner. Use quality services, as communication media too has a huge impact on the success of the business, and even our general lives.

Electronic Sector

Photo etching services have helped in making precision electronic products that have become smaller but loaded with more and more advanced features. Only a good company can offer you fully-finished, formed, plated and assembled high precision components like RF shielding and circuit board shield.