Ключевые слова: apartment, appliance, black, black color, blank, button, cable, choice, concept, connection, control, design, detail, domestic life, electric light, electrical equipment, electrician, electricity, empty, energy, equipment, home, house, household, idea, industry, interior, light, light switch, luxury, metal, modern, new, office, plastic, plate, power, power supply, press, protection, push button, room, safety, simple, simplicity, switch, technology, toggle switch, turn, wall,