SCBA (Self-Contained Breathing Apparatus) is a device to assist our breathing during some conditions such as:
1. Combustion:
- O2 less than 19.5% will be hazard
- CO 500 PPM can be dangerous
- concentration CO2 greater than 10%-12% cause death within a few minutes
2. Toxic Gas
- Ammonia, H2S, Chlorine,
3. Confined Space
- be used for inspection purpose only
This video just show how to know common components and utilize them functional.
