Ключевые слова: adjusting, assistance, construction, control, craftsperson, cutters, engineer, examining, heat, heater, house, industry, installing, machinist, maintenance, manual, mechanic, men, occupation, order, pipe, pipefitter, pliers, plumber, problems, radiator, repairing, repairman, room, service, tallyman, technician, temperature, tool, tube, water, work, worker, working,