Ключевые слова: abstract, adapters, alarm, background, black, box, broken, building, business, current, danger, detail, electric, electrical, electricity, energy, equipment, european, female, fire, green, isolated, male, modern, nobody, object, office, old, outlet, place, plug, power, red, retro, safety, security, sign, socket, standard, switch, symbol, system, technology, travel, universal, view, vintage, wall, warning, white,