Ключевые слова: bend, canalization, colorful, connection, connector, construction, design, equipment, faucet, fitting, flange, flat, housing, icon, industrial, industry, object, part, path, pipe, pipeline, pipework, piping, plastic, plumber, pressure, repair, sanitary, sewage, sewer, sewerage, supply, symbol, tap, technology, tee, tube, valve, vector, white, yellow,