Ключевые слова: adjust, canalization, changing, construction, domestic, equipment, filter, filtration, fix, hatch, hole, home, house, installing, maintenance, male, man, manhole, manual, master, mechanic, men at work, open, outdoors, person, pipe, plumbing, professional, purification, repair, repairman, replace, service, sewage, sitting, street, supply, system, technician, utility, water, water pipe, worker, wrench,