Ключевые слова: alarm system, alarm technology, alert device, black background, communication device, communication equipment, communication panel, communication system, emergency communication, emergency device, emergency intercom, emergency system, industrial alarm, industrial communication, industrial equipment, industrial safety, industrial security, intercom technology, red alarm, red intercom, red safety equipment, safety alert, safety communication, safety device, safety equipment, safety panel, safety technology, security device, security system, security technology, warning system,