wire ropes and nonelectric steel cables; wire ropes and nonelectric steel cables covered with or having synthetic materials therein; nonelectric metal strands; nonelectric metal strands covered with or having synthetic materials therein; metal chain slings; assemblies of wire ropes, nonelectric metal strands and synthetic materials with slings and fittings attached thereto, sold as a unit; and metal slings and metal fittings for use with wire ropes, steel cables and metal strands of all kinds...

MICROWAVE SENSING UNIT FOR DETECTING BROKEN OR MISSING DRILLS USED IN MANUFACTURING PRINTED CIRCUIT BOARDS