Ключевые слова: building, cellar, connection, construction, country, dam, dewatering, dig, digger, dispense, ditch, drain, drainage, electrical, equipment, excavation, farm, float, flow, hose, industrial, industry, irrigation, machine, metal, modified, motor, outdoor, peasant, pipe, pipelines, pollution, pressure, problem, pump, rainwater, rural, safety, sewage, site, submersible, technology, trench, water, work,