Ключевые слова: ancient, background, broken, concept, construction, consumption, control, corrode, corrosion, crane, crisis, dirty, distribution, drain, energy, equipment, faucet, fuel, gas, gasoline, heat, industrial, industry, iron, isolated, leaking, metal, oil, old, petrol, pipe, pipeline, plumb, plumbing, pump, rust, rusted, rusty, sanitary, steam, stop, tap, transit, transmission, tube, turn, valve, waste, water, white,