Ключевые слова: building, cable, ceiling, computer, conductive, connect, connection, construction, current, danger, dangerous, dates, distribution, electric, electrical, electrician, electricity, electronic, energy, engineer, engineering, equipment, industrial, industry, installation, internet, line, maintenance, managed, metal, network, pipeline, power, roof, room, safety, scaffolding, service, site, structure, supply, system, technician, technology, transmission, voltage, waterpipe, wire, wiring, work,