Fire alarm
Bước tới điều hướng
Bước tới tìm kiếm
English: Fire alarm system
Polski: Alarm pożarowy
日本語: 火災警報器
Photographs
[sửa]-
Simplex pull station
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Fire Alarm Control Panel
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Smoke detector
Symbols
[sửa]Audio
[sửa]-
Sound of fire alarm
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NFPA fire alarm pulse sequence
See also: Smoke detector, Carbon monoxide detector, Fire