Ключевые слова: architect, atmosphere, blueprint, building, business, center, checking, clipboard, confidence, contemporary, contractor, control, coworker, designer, electricity, energy, engineer, engineering, equipment, expertise, fuel, group, heavy, indoor, industrial, industry, machinery, man, multiracial, nuclear, occupation, oil, panel, person, plant, power, professional, refinery, room, safety, security, station, supply, switch, system, team, technology, woman, working,