a substance capable of reducing friction, heat, and wear when introduced as a film between solid surfaces (as oil or grease for metal bearings, graphite for sprocket chains, soap of paraffin for wood surfaces, cutting compound for lathe tools)
Piping kits and storage systems, pipes, tanks, valves, taps, pumps, water meters, protection and safety devices, fittings, adhesives, joints, joint sealings, gaskets, membranes, resins, coatings including linings, lubricants and greases in contact with water intended for human consumption.