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A hand-held corded electric drill A lightweight magnetic-mount drill. A drill is a tool used for making round holes or driving fasteners. It is fitted with a bit, either a drill or driver chuck. Hand-operated types are dramatically decreasing in popularity and cordless battery-powered ones proliferating due to increased efficiency and ease of use.
A manual of arms was an instruction book for handling and using weapons in formation, whether in the field or on parade. Such manuals were especially important in the matchlock and flintlock eras, when loading and firing was a complex and lengthy process typically carried out in close order .
Most Marines that fall under the category of NCO or SNCO will be mandated to take a leadership course. Part of these courses require Marines to complete multiple drills. One of those drills is the Sword Manual. NCOs [1] take Corporal's Course [1] take Sergeants Course; SNCOs [1] take SNCO Academy [1] take SNCO Academy; Marine using an NCO Sword ...
A dental drill or dental handpiece is a hand-held, mechanical instrument used to perform a variety of common dental procedures, including removing decay, polishing fillings, performing cosmetic dentistry, and altering prostheses.