Ключевые слова: background, business, composition, concept, different, engineering, equipment, fittings, fix, flat, gear, grey, group, hardware, industrial, install, instrument, item, kit, lay, maintenance, many, new, object, pattern, pipe, piping, pliers, plumb, plumber, plumbing, professional, renovation, repair, sanitary, service, set, spanner, steel, supply, table, tap, technician, tighten, tools, top, valve, view, work, wrench,