Doors
The authorities require the following:
Doors to specific areas may have local requirements to be kept closed at all times (e.g. clean rooms, chemistry laboratories, or for ensuring specific temperatures in an area).
The alarm system is connected all over building complex 1670
WARNING SIGNS
Each alarm costs, and to prevent unintended alarms during the periods referred, the warning labels illustrated below have been put on doors and windows around the buildings.
GLASS BREAK ALARMS