Portable air powered nailers; portable air powered staplers; air compressors; [ air powered drills; ] [ air powered hammers; electric and air powered drills; portable electric drills; portable electric riveting machines, namely, riveting guns and riveting hammers; ] portable electric staplers, namely, power staplers not as an office requisite [ ; power-driven wrenches; electric pile drivers; electric hand drills; electric hammers; drilling machines; tack drivers; riveting machines for metalwo...