Etch designs or lettering into metal, glass, or ceramics by laser or hand.
Lines interior of tanks, valves, pipes, and similar articles with rubber sheeting to prevent corrosion of vessel, and to minimize contamination, shock, ignition, or explosion hazards to contents. May inject compressed air into vessel to bond lining to vessel walls, and introduce live steam or place article in autoclave to vulcanize rubber lining. May prepare vessel for application of lining by sandblasting, scraping, or painting interior surfaces. May test lining for holes and faulty seams, using device that creates spark on contact with metal vessel through apertures in rubber. May visit equipment sites to install linings. May be designated according to article lined as Tank Insulator, Rubber; Valve Liner, Rubber.