Ключевые слова: blank, box, caution, closeup, danger, dangerous, detail, door, electric, electrical, electricity, empty, energy, equipment, factory, front view, hazard, high voltage, industrial, label, lightning, metal, minimal, nobody, object, plate, power, rectangle, risk, safety, security, security signs, shock, sign, signboard, simple, simplicity, station, sticker, symbol, tag, text box, transformer, triangle, voltage, wall, warning, white, workplace, yellow,