Ключевые слова: alarm, alert, bell, box, break, bright, building, button, case, concept, danger, emergency, enterprising, equipment, fire, firefighter, flame, forthcoming, guarded, health, help, intonation, isolated on white, metal, noise, prepared, prevent, pull, push, red, rescue, retro, safe, safety, security, sign, sound, system, tone, urgency, vintage, voice, wall, warning,