Metal pipe couplings and joints; Metal pipe connectors; Metal hardware, namely, springs; Valves of metal, other than parts of machines; Structural joint connectors of metal; Metal hardware, namely, washers; Metal hardware, namely, nuts; Manually operated metal valves; Water-pipe valves of metal; Metal junctions for pipes

Air compressors; Compressed air machines; Compressed air pumps; Compressors for machines; Gas compressors

motor vehicle emission exhaust system components, namely, exhaust manifolds for engines, engine mufflers and tailpipes

Bathtubs having air jets that emit heated and unheated air to circulate the water and to provide comfort to the body

Bathtub with air jets that emit heated and unheated air to massage the body