Ключевые слова: ceiling, closeup, component, consumption reduction, electric energy, electrical, electrical cable, electrician, electricity, electronic equipment, energy, environment, environmental, environmentalist, florescent, hand, hands, holder, home, house, insert, installation, lamp, light, light bulbs, manual, men, new, occupation, power, profession, professional, protection, renew, renewable, repair, replace, saving, screw, solar, technician, technology, to insert, tool, used, wind, work, work safely, worker,