Ключевые слова: automated, business, control, controlling, delivering, device, discussion, efficiency, electrician, electricity, engineer, entrepreneur, equipment, examining, expertise, factory, hall, heavy, horizontal, indoors, industrial, inspector, insurance, job, leading, males, man, manager, manufacturing, men, occupation, one person, people, planning, repairing, safety, standing, technician, technology, uniform, voltmeter, warehouse, working, workshop,