Ключевые слова: accident, advice, alarm, alertness, box, break, building, burning, button, communicate, control, danger, device, emergency, fire, flame, flammable, glass, hole, home, house, industrial, jack, klaxon, office, order, phone, protect, protection, push, red, ring, room, safe, safety, security, services, sign, silver, siren, smoke, switch, symbol, system, tool, trigger, wall, warning, white, work,