H

Common metals and their alloys; non-electric cables and wires of common metal; pipes and tubes of metal; small articles of common metal, namely, metal couplings for joining and terminating hoses, pipes and tubes, metal valves not being parts of machines, metal junctions for hydraulic, high pressure, industrial, water, and fuel hoses, pipes and tubes

Hose and tube assembly machines and machines for cutting, stripping, pressing and pressure testing of hoses and tubes; machine tools for hose and tube assembly and for cutting, stripping, and pressing hoses and tubes

Plastics in extruded form for use in manufacture; non-metal tubing and tubing couplings for joining and terminating hoses, pipes and tubes; insulation materials for hydraulic, high pressure, industrial, water, and fuel tubes, hoses and pipes; non-metallic flexible pipes and tubes; non-metallic hoses; junctions, not of metal, for hydraulic, high pressure, industrial, water, and fuel hoses, pipes and tubes