Ключевые слова: alarm, amplifier, announce, audio, beige, bracket, building, bullhorn, communication, cone, corroded, device, electric, electronic, exterior, external, facade, gray, horn, loud, loud speaker, loudspeaker, megafon, megaphone, metal, nobody, object, outdoor, outside, power, public, round, rusty, siren, sound, speak, speaker, sunlight, system, technology, volume, wall, wire, yellow,