The working principle of the household oxygen machine: the use of molecular sieve physical adsorption and desorption technology.

Now that living conditions are better, we should pay more attention to health preservation, such as buying an oxygen machine at home, so that the whole family will be in good health.

Thermometers are very common in our lives nowadays. Do you know how Infrared Thermometer works? The following editor will introduce to you the working principle of Infrared Thermometer.

Affected by the epidemic, infrared thermometers have become ubiquitous in our lives. Next, I will introduce infrared thermometers to everyone.

Protective goggles are an important part of personal protective equipment, and can be divided into ordinary goggles and special goggles according to their functions.

The following editor will introduce some precautions for the use of protective goggles, in order to better use this product.