Airports,amusement parks,and my local county fair all have something in common. You are somewhat correct if you guessed pricey,unhealthy meals (like chocolate covered bacon). They also have several security precautions in common. Specifically,the usage of metal detectors at points of entry,which are all being used to improve occupant safety and reduce liabilities. Metal detectors have advanced significantly in recent years. They are available in a variety of styles,from walkthrough to portable,and their effectiveness has increased by leaps and bounds. They can be used to identify people or containers carrying any considerable metal source in the hands of a trained user. This includes firearms and knives,as well as ammunition,cans containing potentially toxic or hazardous aerosols,and ordinary,improvised impact weapons such handmade blackjacks,saps,and metal packed or sword canes. Many of these may readily get by even a cursory pat-down search. There is no need to touch t