If only one detector is used, it must be installed in the hallway between rooms to maximise the chances that someone is going to listen to the alarm and alert others. If the House has several levels, there must be at least one sensor per plant.
Walk-through metal detectors have an ergonomic design so that you can pick up the device to any premises, whether the Bank, airport building, Office premises, factories and enterprises. Recently, stationary detectors have become popular for schools, institutions, and other educational institutions; for EXAM-a device detects the phones, video cameras, tape recorders, cameras and other equipment.
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Many women worry about walking through the metal detector during pregnancy , and believes that the device is issued Radiology can lead to fetal injury hurt , but studies have shown that walking through the metal detector during pregnancy does not lead to any harm to either mother or fetus .