Ключевые слова: aged, bended, blue, broken, clay, connection, construction, control, corner, corroded, corrosion, dirty, drink, energy, engineering, equipment, factory, industrial, industry, iron, joint, line, metal, mud, old, pipe, pipeline, piping, plumber, plumbing, power, pressure, rust, rusty, screw, steel, supply, system, tap, technology, transportation, tube, valve, waste, water,