H-TEC

Gas and liquid piping and pipeline components made predominantly of metal, namely, [ sleeves, shutters, sleeve shutters, straps, shackles, caps, flanges, pipes, pipe fittings, pipe clips, pipe collars, pipe connectors, pipe couplings and joints, junctions for pipes, pipe muffs, manually operated valves, sealing rings, gasket rings, ball lock pins, caps for pipes and pipe ends, closures for pipes and pipe ends, lids, plugs, seals, ] manhole covers, [ pipe safety fittings that minimize traction, dirt, and rotation, ] hand wheels, [ non-electric position indicators being parts of pipe valves, ] dummy covers, insertion pipes, nipples, gasket rings; [ metal shaft covers, ] metal height-adjustable and metal levellable shaft covers and their metal base components and frames [, metal brackets, and metal saddles for use in the construction, assembly and installation of piping ]

Hand-operated tools for assembling and disassembling, maintaining and repairing pipes and pipe brackets, namely, hand held cutting tools, pinchers, wrenches, pliers, pipe beveling devices in the nature of pipe cutters, taps, hex key wrenches, extensions for hand tools

[ Hydrants, plumbing fittings, namely, ventilating and evacuating valves and control valves ]

[ Parts, predominantly made of metal, for gas and liquid braces, namely, gaskets ]

[ Assembling and disassembling plumbing fittings and metal pipe fittings for gas and water piping and pipelines, and gas and liquid conduction systems ]

[ Technical planning of gas and liquid piping and pipelines; technical planning services in the nature of industrial design of plumbing fittings and metal pipe fittings; technical planning of gas and liquid conduction systems ]