7 Machine parts, namely, pipe connectors, pipe adaptors, namely, elbows, tees, o-rings, hex plugs, hex heads, plugs, blanking plugs, pipe nipples and pipe couplings; clamp connectors for pipes; clamps or clips for cables and pipes; coated aluminum pipe fittings; collars for fastening pipes; pipe couplings and flanges; hinges; hydraulic connectors; all for use as structural machine parts; Machine parts, namely, pipe connectors, pipe adaptors, namely, elbows, tees, o-rings, hex plugs, hex heads, plugs, blanking plugs, pipe nipples and pipe couplings; clamp connectors for pipes; clamps or clips for cables and pipes; coated aluminum pipe fittings; collars for fastening pipes; pipe couplings and flanges; hinges; hydraulic connectors; all for use as structural machine parts