Sunday, January 5, 2020

BREAK GLASS

Description about fire alarm materials break glass:-

BREAK GLASS ALSO A FIRE ALARM MATERIAL.this materials  using sending a signal to people.if any time fire happened  in the building then people push to this material and break the glass then in the building  all area sounder make loud sound then everybody know building  on fire and he need to escape  urgently from building.


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