Ключевые слова: background, button, close, closeup, color, concept, conservation, control, copy, electric, electrical, electricity, energy, environment, environmental, equipment, female, finger, guy, hand, home, house, household, human, indoors, interior, isolated, light, man, off, office, people, person, plastic, plate, power, power saving, press, residential, save, space, supply, switch, technology, toggle, turn, up, utility, wall, white,