How Metal Detector, Baggage Scanner and Full Body Scanner Works ? Urdu/Hindi

Hello Friends in this video we are going to talk about Metal Detectors ( Walk through gates ) , Baggage scanners and Full Body Scanners, How these scanners works. We see these type of scanners in different public places like in shopping malls and Air Ports etc. Hope you will like the video. Thanks SUBSCRIBE THE CHANNEL HERE!    / @techhoz   LIKE.....! COMMENT....! SHARE.....! SUPPORT.....! Follow me at my Instagram.   / techhoz   Follow Techhoz Facebook page at.   / techhoz   Follow Techhoz Twitter page at.   / techhoz   Follow Techhoz Google+ at . https://plus.google.com/u/1/111910065...