Ключевые слова: broken, burst, canalization, connection, construction, crack, damage, damaged, dirty, earth, equipment, flow, flowing, ground, hole, industrial, industry, leak, leakage, leaking, liquid, maintenance, old, pipe, pipeline, pipelines, piping, plumbing, problem, repair, service, site, soil, supply, system, trench, tube, underground, waste, water, wet, work, worker,