Ключевые слова: accident, building, cable, city, communication, construction, cover, drain, drainage, electricity, equipment, fix, hatch, hazard, hole, industrial, industry, job, leak, line, maintenance, man, manhole, metal, network, open, pipe, pit, plumber, plumbing, repair, road, safety, service, sewage, sewer, sewerage, street, tube, underground, utility, water, well, work, worker,