X-ray machine through X-ray, you can see everything except special material outsourcing, clothing. At present, although this technology has been around for a long time and has been surpassed by more advanced technology and instruments, X-ray machine is obviously the best machine for subway security inspection considering both performance and price.
The way to maximize the effectiveness of X-ray machines is human responsibility. It is well known that the channel X-ray machine has errors, and it is difficult to detect them in some specific cases. If the prohibited items are disassembled and packed. This requires careful and highly responsible security personnel to complete the monitoring. As mentioned in a foreign exploratory program, in order to cope with possible error omissions, some countries have set up anti-terrorism experts at security checkpoints of domestic airports. Based on years of anti-terrorism experience, they have the right to bring suspects to the security room if the machine security checks are qualified. An artificial carpet search was conducted. This method is a man-machine combination method, which can make up for the loopholes of machine inspection by manual inspection. Early rising in China is also a manual inspection when security machines are not popular.
Metro traffic is very large. It is unavoidable that there will be slippage if only checking by machine. It is necessary to carry out special security checks for special people. The role of channel X-ray machine in subway security inspection is beyond doubt.