Metal detectors are used to detect and identify buried in underground metal objects, which in addition to military purposes, can also be applied to: >Customs and security checks. >Police department detective searched. >Testing of raw materials, fuel, food metal foreign body. >Check mail, baggage and parcel for metal objects. >Exploration of underground pipeline, line. >Iron into, exploration, archeology. >Discovery of buried treasure and gold and silver metal artifacts. >Scrap metal recycling.