Difference between Etching and Engraving

Laser engraving and laser etching are unique applications of laser technology with their distinct profile requirements, benefits and characteristics. With this in mind, it’s essential to update your terminology and understand the practical and technological benefits of these different laser applications. This way, you can determine what setting you should prefer for your next laser project. These methods refer to a different process when it comes to creating images, markings or designs on a selected material with a laser. Here is a list of our main differences that distinguish between these laser methods.

Physical effort required

Etching requires less effort because the etcher pulls the design through the wax. On the other hand, more physical effort is required in engraving because a tool has to be used to cut the metal.


While etching is the art of creating an image using acid that removes metal, engraving is a printing method in which an artist uses a pointed and sharp tool to cut lines on a metal surface.

Object size

The etching is suitable for small projects and thin materials. On the other hand, the engraving can be used for large materials.

Materials used

While etching is suitable for metallic materials, engraving can be applicable for materials such as stones, plastics, wood and metal.

Effect on materials

The laser engraving creates a conical depression on the material surface. Laser etching creates a high-contrast marking on the surface of the material by evaporating only the surface layer of the material.

Laser power

Laser engraving makes the deepest cut and vaporizes the material in its way. Effective laser engraving requires the use of a high-temperature laser, and engravers often choose the power of their laser in the maximum configuration for best results, especially when using a robust material such as anodized aluminum or stainless steel.Laser etching also melts the surface of the material with heat, creating a slightly enlarged engraving pattern of your choice.


Laser engraving is an ideal method for marking parts and objects where high wear is to be expected. If you engrave a jewelry design with a laser, it will fade quickly if the piece is touched frequently, as the depth is only 0.001 inches. The deepest cuts in laser engraving are ideal for creating permanent markings on a variety of materials. Laser engraving is not appropriate for safety-critical parts since the etching process can structurally damage or damage the engraved part. A Laser-etched markings are less durable and are suitable for surfaces with little wear.

What Is The Difference between Engraving and Etching

The printing industry is one of the biggest industries and it has also become very important for everyone. The good thing about the printing industry is that there are many methods and technologies are available that can use to make different designs and images from a hard surface, metal plate or flat surface. Etching and Engraving are two of the methods that are used for printing.

Things This Article Includes Are:

• What Is Etching and Its Advantages

• What Is Engraving and Its Advantages

• Difference Between Etching And Engraving

What Is Etching?

The etching is a process that is used in printing. Generally, chemical substances are used to make different designs and images on a metal plate. In etching, wax that is resistant to acid is used to cover the material, then the designs or images are created on the metal with a pointy needle and then the material is dipped into acid bath, only the area which is not covered with wax comes in contact with acid and that’s how designs are made on metals through etching method.

Advantages Of Etching

1- Etching is a faster process and it is also a cost-effective option.

2- Etching can be used in many materials.

What Is Engraving?

In simple words, engraving is the process to make designs or converting metal into the desired shape with the help of tools like hammer, knives, etc. Most artists use a tool known as burin to make designs on the metals. In this process, after making the designs, ink is applied on the metal and then the metal is pressed and it forces the ink into the grooves. This is done by both hands and machines.

Advantages Of Engraving

1- Any design or line can be made with the engraving method.

2- The designs made by engraving methods are permanent and long-lasting.

Difference Between Etching And Engraving

1- Physical Efforts

One of the main differences between etching and engraving is the physical efforts that are required in both methods. In the engraving method, everything is done with the help of tools so it requires more effort in comparison to the etching method.

2- Nature Of Both Methods

The nature of both engraving and etching is different, as chemical substances are used in etching to make designs and cutting of line are done with the help of sharp pointy tools in the engraving method.

3- Materials Size

The size of the materials is also different in both methods. Usually, the thin materials are used in the etching method and engraving is more ideal for large materials.

4- Uses of Materials

Materials also differ in both methods. Materials like metal, plastics, and wood are generally used in engraving and metallic materials are used in the etching method.


Both the etching and engraving methods are equally important and have their advantages and disadvantages. It depends on the work that needs to be done. There is no doubt in saying that engraving and etching are both used for the same purposes but the process that is required is different in both. Choosing a method depends more on the types of metal that are going to be used. The differences between both the processes are mentioned and briefly explained above.

Benefits of Ground Source Heat Pumps

Beginning the process of installing ground source heat pumps can benefit a home or business economically and provide a renewable source of energy that can be accessed consistently. Ensuring that each home and business can access a secure source of energy is very important. Conventional energy has been proven to be unsustainable, therefore many homeowners and business owners are using less and less of it. The new technology available through sustainable living and development has provided a unique platform for those looking to create a sustainable source of energy. The platform has allow businesses and residents to take control of their ground source options for heating.
Ground source heat pumps create a completely non-toxic way to harvest and store energy. Traditionally energy has been access with the use of fossil fuels. Fossil fuels are dangerous to the health and well-being of the planet. These fuels have been replaced with sustainable ground source heat pumps in the Cambridge areas, as well as other parts of the world. The new and growing technology allows for new renewable ways to access energy. These types of energy sources compliment the sustainable structure and help to promote clean energy. The clean energy can be accessed through the ground with pumps that work inside of a structure. The heating is provided by layer deep of each matter than store precious heat stores. These heat sources work in conjunction with the system installed by a technician. Heat pumps require the right knowledge in order to successfully install. These heat pumps are installed in the ground, near a specific home or business. Many customers have questions regarding how the heat pump system works.
The heat pump system works by utilizing already available heat stored within the layers of the earth as a result of natural processes. Heat is naturally occurring underground. The heat pump aims to make use of this excess available heat and apply it to warm homes in place of more dangerous options such as fossil fuels. The cost for accessing heat through a ground pump is significantly less than monthly fossil fuel costs from energy bills. According to many reviews, customers prefer a sustainable way to access their energy on a monthly basis. The benefits of these pumps create sustainable and low cost living for those looking to lower their fossil fuel usage. This source of heat does not run out unlike other more conventional types that are subject to run out when the source of oil diminishes.

Copper etching process

Etсhіng сорреr dоеѕn’t hаvе tо bе a complex рrосеѕѕ wіth thе rіght tооlѕ аnd ѕuррlіеѕ to hаnd. With a few ѕіmрlе ѕаfеtу guіdеlіnеѕ аnd ѕоmе еxреrt аdvісе, уоu саn сrеаtе сорреr еtсhеd jеwеllеrу ріесеѕ thаt are trulу unique and рrоfеѕѕіоnаllу finished. Remember, іf уоu can drаw uр уоur own dеѕіgn, uѕе a рrе-ѕtаmреd design, or tаkе inspiration frоm оthеr раttеrnѕ аnd prints, you can сеrtаіnlу еtсh іt into уоur сорреr jewellery pieces.
Cорреr is еаѕу tо wоrk with and іnеxреnѕіvе, аnd сорреr etching ѕоlutіоn іѕ rеlаtіvеlу safe tо wоrk with аnd аlѕо inexpensive.
Thе basic principle of etching аnу metal іѕ tо apply a ѕubѕtаnсе tо thе surface оf thе metal whісh wіll resist thе bіtе оf the еtсhіng solution. This ѕubѕtаnсе іѕ called rеѕіѕt. Onсе thе rеѕіѕt іѕ аррlіеd, аll уоu have to dо іѕ ѕubmеrgе thе piece in thе еtсhіng ѕоlutіоn and wаіt for іt tо еtсh.
You’ll need:
Acid еtсhіng ѕоlutіоn (fеrrіс сhlоrіdе)
Cорреr sheet
Clеаnіng ѕроngе
Bаkіng soda
Pеrmаnеnt mаrkеr/ѕоlvеnt ink раd
Safety glasses & glоvеѕ
1. Safety fіrѕt…
2. Prepare уоur сорреr sheet
3. Chооѕе your design fоr etching
4. Add resist tо your blank
5. Cаrеfullу prep уоur сорреr wіth tape
6. Lеаvе your сорреr blаnk in the еtсhіng ѕоlutіоn
7. Nеutrаlіѕе the acidic ѕоlutіоn
8. Clean fоr a hіgh ѕhіnе finish

Breathe Rate Sensor

As an avid athlete one of the things that you want to do is keep track of your vitals so that you can know how your body is performing at all times. This is usually done using sensors that are attached to your body while you work out. Traditionally, these sensors are designed to measure temperature and heart rate. These are important measurements – if your temperature spikes during a workout you are in real danger of passing out and even slipping into a coma, while your heart rate tells you whether or not your heart can take the stress that you are putting it under.
Today’s athletes are also keen to keep an eye on their breathing rate. Why is it so important? The answer is simple – it tells you how hard you are working. The harder you work your body the more oxygen your muscles require so the harder you breathe. If you track your breathing rate over time you will see whether or not you have been straining – thus strengthening – your body over time. If you are able to breathe really hard without compromising yourself it means that your heart is quite strong which means that your body is strong too. If, however, you experience problems or stagnation in breathing it could mean that your heart is in trouble and you should seek professional assistance.
There are many different types of breathing rate sensors available today but not all of them are very good. It is up to you to look at reviews of different brands and choose the one that you think will serve you best. Keep in mind that storage capacity and sharability of data matter – you want to be able to keep records and share it to different devices.
Try Equivital – they have excellent breathing rate monitors for different types of athletes. You can see more on http://www.equivital.com/.

Military Co Monitoring

Constant physiological monitoring has proved invaluable in the military in recent years. It is not unheard of for cadets and others to die from conditions like heat exhaustion that could have easily been prevented if there was someone actively monitoring vitals during extreme exercises and workouts. If you are in charge of a company it is your job to make sure that all the men and women work and train in safe conditions at all times. While you may provided with some equipment to help you do this, it may be limited, so you have to be extra vigilant.
The first thing you ought to do is educate those under your command about heat stress and other physiological conditions that may beset them while they are training or are out on active duty. How can they tell, for example, when their bodies are getting overheated and what can they do to bring their core temperatures down? By knowing their own bodies and their capabilities your men and women can detect when things are not right and this can go a long way in ensuring that they remain healthy.
The other thing you may want to consider is an investment in monitoring equipment. It has become commonplace – today you will find devices that take all sorts of body measurements. Most of them are quite affordable and you can ask each member of your team to buy one for themselves.
If, however, you want to do group monitoring and track data for long periods you should be looking into specialized equipment like that sold by Equivital. You will be able to track the vitals of each of your unit’s members any time and you can store and also share data. You can contact Equivital through http://www.equivital.com/ for more information.

3 Unique Characteristics Of Air Source Pump Heaters For Underfloor Heating


There are an infinite number of ways to heat your home. When people first starting heating their homes they used primitive methods such as fire and wood. As technology advanced we started to use things like pellet stoves and propane. Some people even used kerosene to heat their homes. However, in recent decades this has shifted towards the use of central heating through traditional convection units. This advancement in technology was huge and soon replaced the more primitive methods. Now there is a new change of the guard that is leading to the replacement of these convection units. Air source heat pumps are the new way to heat your home or business. They are considerably more efficient and effective than convection units. Due to the immense amount of unique characteristics of these new heat pumps, they are quickly taking over the industry and replacing older heating methods. Below is a list of three unique characteristics of air source heat pumps as it pertains to underfloor heating.

Unique Characteristics of Air Source Pump Heaters

  • They Capture Heat From Outside Air Rather Than Heating It
  • They Emit A Constant Flow Of Heat At A Lower Rate
  • You Can Get Paid To Use An Air Source Heat Pump

They Capture Heat From Outside Air Rather Than Heating IT

All other forms of heating produce heat through the use of electricity. They use electricity to heat up a heating element. This heating element gives off heat which produces hot air. This hot air is then pumped through the house. Air source heat pumps do not generate heat at all. They capture heat from the outside air and circulate that captured heat throughout your home.

They Emit A Constant Flow Of Heat At A Lower Rate

Typical heating units cause a ton of fluctuation in temperatures inside the home. This is because they emit a big burst of heat and then wait until the temperature cools down before emitting another burst of heat. Air source heat pumps emit a constant low rate of heat to ensure that temperatures stay relatively constant.

You Can Get Paid To Use An Air Source Heat Pump

There are a plethora of government programs that will pay people to use air source heat pumps for underfloor heating. This is because air source heat pumps use renewable energy. Renewable energy does not cause carbon emissions and is thus better for the environment.


5 Reasons To Buy A Waterproof Heart Monitor


When it comes to heart conditions, you have to be diligent and take them seriously. Heart conditions are one of the scariest health conditions that you could possibly have. You must stay on top of the situation at all times. These situations can come in all shapes and forms. Some heart conditions are minor and others are potentially life threatening. Either way, if you need to wear a heart monitor then you need to wear it as much as possible. Many people do not wear their heart monitors all day because they have to take them off any time that they around water. Thanks to the advent of waterproof heart monitors, you do not have to take off your heart monitor when you are around water. Below is a list of 5 reasons to buy a waterproof heart monitor.

Reasons To Buy A Waterproof Heart Monitor 

  • Taking A Bath Without A Heart Monitor Is Highly Dangerous
  • You Can Swim In A Pool Or Hottub Without Putting Yourself In Danger
  • They Are Highly Affordable And Cheap To Replace
  • They Are Highly Effective When Going On Vacation
  • Less Likely To Malfunction Due To Moisture And Condensation

Taking A Bath Without A Heart Monitor Is Highly Dangerous 

When taking a bath your heart rate drastically increases and they way that your heart functions changes. Therefore, when you take a bath you need to keep a heart monitor attached. The only way to be able to do this is to buy a waterproof heart monitor.

You Can Swim In A Pool Or Hottub Without Putting Yourself In Danger

Having to take your heart monitor off every time you go swimming is not only a hassle, it is a dangerous thing to have to do.

They Are Highly Affordable And Cheap To Replace

Most health products are highly expensive and this turns off many people who do not have a ton of money. Waterproof heart monitors are very cheap and also cheap to replace.

They Are Highly Effective When Going On Vacation

Vacations typically consist of many circumstances in which wearing a heart monitor is not possible. With a waterproof heart monitor, you can keep track of your health at all times during vacations.

Less Likely To Malfunction Due To Moisture And Condensation

One of the biggest reasons that heart monitors malfunction is due to moisture and condensation. Waterproof heart monitors have a built in defense that protects against these malfunctions.

Heart Rate Monitors

Just as the name suggests, heart rate monitors are used to control the heart rate. Heart rate monitor is an accessory that can be used to improve your fitness health. They go way beyond cosmetics and have assisted many to improve their general fitness health.  Due to various technological advances, heart rate training has been globally made open to everyone.

Heart rate monitors do not just pick numbers in a random way. There is usually a little electrical sign that is sent via the heart muscles each time your heart beats. This electrical sign can only be detected through the skin, the same reason why the chest straps of heart rate monitors must be in contact with the skin.

 Heart rate monitors can assist you in getting your ideal training pace, commonly referred to as running sweet spot. Heart rate monitors are very helpful to training since you can only know how hard you are working from the rate of your heart. With the reading from the heart rate monitor, you will know if you are not working hard enough, working hard enough, or if you are overtraining. You can tell that you are overworking if your heart rate is mostly high on a slow recovery run. Apart from suggesting that you take a break from working out, heart rate monitor can also motivate you, especially if you realize that your pace is not actually what you are capable of. To make sure that the heart rate monitor benefits you in your quest for being fit, you must aim to work out in specific percentages of your maximum working heart rate. Heart rate monitor will give an opportunity of accurately knowing yourself in matters regarding your physical activity.

This fantastic tool will provide you an accurate evaluation and indication of the state of your cardiovascular system during any physical activity that you are undertaking. Knowing this will help you improve your overall health.

Heart rate monitor will also clearly showcase the capability of your heart to recuperate from a particular activity and or an interlude within a workout. This will also offer you plenty of information on your cardiovascular system’s condition.

You can use a heart rate monitor as a personal and private coach. Your heart rate, together with your exertion rate can reveal to you if there is need to upgrade your intensity, or even pull back.

These gadgets that are used to monitor the rate of the heart are very cheap compared to various fitness trackers and, so you will get much value in them.