Ключевые слова: bend, brown, canalization, color, colorful, construction, design, engineering, equipment, factory, faucet, fitting, flange, flat, housing, icon, industrial, industry, pipe, pipeline, pipework, piping, plumber, plumbing, pressure, red, repair, sanitary, sewage, sewer, sewerage, supply, symbol, tap, technology, tee, tube, water, web,