Ключевые слова: accident, broken, build, construction, dig, dirt, dirty, ditch, drain, drainage, earth, electricity, equipment, facility, fitting, fix, gas, ground, hole, improve, industrial, industry, infrastructure, install, insulation, isolation, line, maintenance, pipe, pipeline, pipework, pit, plastic, plumbing, pvc, repair, service, sewage, sewer, site, steel, supply, technology, thermal, trench, tube, underground, urban, water, work,