Ключевые слова: angle, angular, black, blue, boiler, brass, closeup, coating, color, colored, connection, construction, copper, curve, electric, equipment, faucet, fittings, fluid, gas, hardware, horizontal, industry, intersection, joint, leak, metal, pipe, piping, plastic, plumber, pressure, red, repair, room, scratched, sink, system, tap, thread, tool, transformer, tshaped, tube, valve, vertical, wall, water, white, worn,