element or attachment (class d / ) material working, abrading, or founding machinery (class d / ) deforming or crushing (includes element) ( ) (class d / ) abrading (class d / ) cutting ( ) (class d / ) molding or casting (class d / ) element or attachment (class d / ) heat treatment, welding or brazing...
, soldering and welding building materials electrical installation fasteners fire protection hand tools hoses, couplings, hose clamps machines material processing measuring metal fittings orsy system occupational safety sanitation, heating, air-conditioning technical chemicals technical rubber and engineering...