Ключевые слова: activate, background, brick, building, button, buttons, cement, closeup, concept, conservation, construction, control, device, dirty, double, electric, electrical, electricity, element, energy, environment, equipment, home, house, household, indoor, industry, interior, light, light switch, mechanical, modern switch, nobody, object, off, old, place, plastic, power, push, simple, start, supply, switch, technology, texture, toggle, turn, two, wall,