Ключевые слова: bucket, build, clay, connection, construction, corroded, corrosion, damage, dig, dirty, ditch, drainage, dump truck, electric welding, excavator, ground, hole, infrastructure, leakage, leaking, line, mud, old, pipe, pipeline, pipes, piping, plastic, plumber, plumbing, pressure, pvc, reinforced concrete, reinforced concrete blocks, repair, round, rust, sewage, sewer, soil, system, trench, truck crane, valve, waste, water, water supply, welder, work, worker,