How to use in-sentence of “fire alarm”:
+ The fire alarm in the United Kingdom sounds either a continuous two tone buzzer or a beep similar to an electronic game beeping in test mode.
+ The event is started when the fire alarm goes off.
+ A fire alarm is an electronic sounder or a bell.
+ The fire alarm sound can either be a continuous metal bell, a horn or a two-tone siren.
+ If the fire alarm sounds and the building is not evacuated, this may be due to the a scheduled fire alarm test that people already know about.
