Civil & Architecture Work

Civil & Architecture Work

A FIRE ALARM SYSTEM IS NUMBER OF DEVICES WORKING TOGETHER TO DETECT AND WARN PEOPLE THROUGH VISUAL AND AUDIO APPLIANCES WHEN SMOKE, FIRE, CARBON MONOXIDE OR OTHER EMERGENCIES ARE PRESENT. THESE ALARMS MAY BE ACTIVATED FROM SMOKE DETECTORS, AND HEAT DETECTORS A PUBLIC ADDRESS SYSTEM (PA SYSTEM) IS AN ELECTRONIC SOUND AMPLIFICATION AND DISTRIBUTION SYSTEM WITH A MICROPHONE, AMPLIFIER AND LOUDSPEAKERS, USED TO ALLOW A PERSON TO ADDRESS A LARGE PUBLIC, FOR EXAMPLE FOR ANNOUNCEMENTS OF PUBLIC ADDRESS SYSTEM MOVEMENTS AT LARGE AND NOISY AIR AND RAIL TERMINALS OR AT A SPORTS STADIUM.
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