These signs indicate...
Signage: Vertical signs
These S-990a and S-990b signs indicate the direction of the nearest emergency exit and the remaining distance to reach it, not the location of telephones or fire extinguishers.
Explanation
Nearby emergency exit and remaining distance
Signs **S-990a and S-990b** indicate:
- The **direction** in which the **nearest emergency exit** is located.
- The **remaining distance** to reach that exit.
They are used to quickly guide you towards the **nearest escape route** in case of emergency.
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