Ключевые слова: ac, air, building, checking, checklist, clipboard, commercial, conditioner, conditioning, electric, electrical, electrician, employee, engineer, engineering, full, hat, helmet, holding, hvac, industrial, inspecting, inspection, install, job, length, maintenance, male, man, manager, men, people, power, professional, repair, repairing, repairman, reporting, safety, service, showing, standing, technical, technician, uniform, unit, work, worker, working, young,