Metal detectors are real in our daily life. They are usually used for people screening, from leisure and entertainment to work to safety, and they are widely used. Now it is widely used in airports, office buildings, schools, government agencies, prisons and other places. Metal detectors can help improve the safety of these places by people screening and other related work. There are many kinds of metal detectors, such as microwave human body scanner, hand-held metal detectors, safety doors and so on. These devices can be used for people screening in public places. At this time, there must be a question: is the metal detector really convenient? Next, we will make a brief analysis of this question. I hope it will help you better understand the devices that can be used for people screening.

With the development of social economy, X-ray screening technology has been more and more widely used, but also brought us a lot of convenience. But everything has two sides. X-ray screening is good, but not visible. X-ray also brings us large or small radiation. So, how much X-ray radiation is there? What harm does this radiation do to our human body? Here we briefly introduce it, hoping to help you better understand the X-ray screening technology.

With the development of social economy and science and technology, X-rays have been slowly accepted by everyone since the beginning, and finally they have been widely used up to now. This change has brought great convenience to our life and work. X-ray screening has also become a hot job at present,