People screening is familiar to us that almost everywhere uses people screening to protect the safety of person and property, especially in airport, train station, railway, bus station, or some big activities. Although people screening is common, it is very easy to be ignored. Some people are hurryi

Does people screening need to maintain?People screening is one kind of security checking metal detector, which is used for metal detector alarming. Also, people screening can make some common failures such as the false alarm, which influence the efficiency of inspection. With the purchase, installat