Non-metallic rigid pipes for building; drain pipes, not of metal; water pipes, not of metal; penstock pipes being sewer pipes, not of metal; clack valves being water pipe valves, not of metal or plastic, for building and construction; drain traps being water pipe valves, not of metal or plastic
Nonmetallic Building MaterialsClack valves of plastic being other than machine parts; cable and pipe clips of plastic; drain traps in the nature of valves of plastic being other than machine parts; rivets, not of metal; valves, not of metal, being valves of plastic other than parts of machines
Furniture and Articles not Otherwise Classified