Fire alarms, smoke detectors, warning lights and sirens all are necessary for protection of an individual in case of emergency. These all are included under key resources.
What are different types of alarms?
The alarms that indicates an immediate emergency, that can be either fire, smoke or anything else.
There can be following alarming signals:
- Fire alarms: it gives a loud signal in case of fire.
- Smoke detector: it detects smoke before the onset of fire.
- Warning lights: it indicates any danger by giving lights of particular colors.
- Sirens: It is public warning system in case of any emergency.
These all falls under the category of key resources.
Thus, the correct option is A.
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