Brazing alloys; Gold solder; Pipework of metal; Rods of metal for brazing; Rods of metal for brazing and welding; Rods of metal for welding; Silver solder; Soldering wire of metal; Tin bars; Valves of metal, other than parts of machines

computer graphic software for three-dimensional design of piping systems in industrial plants and user manuals sold therewith

Removable pipe insulation

Educational apparatus, namely, manipulative pipes and joints for constructing models used as teaching aids for visualization of science concepts; Downloadable electronic publications, namely, manuals and journals in the field of constructing models

Educational apparatus, namely, manipulative pipes and joints for constructing models used as teaching aids for visualization of science concepts; downloadable electronic publications, namely, manuals and journals in the field of constructing models

inspection services for oilfield tubular goods

CHEMICAL PRODUCTS FOR INDUSTRIAL USE, NAMELY PIPE SEALING COMPOSITIONS

rubber pipe joints

Underwriting insurance for the repair or replacement of water lines connecting a residence to a metered system

Oil and gas pipeline protective products, namely, panels, covers and shields