Across
- 3. This is the condition of employment at AL
- 7. A system designed to provide a continuous supply of fresh air in confined spaces
- 9. This gas can displace oxygen and lead to asphyxiation in confined spaces
- 10. Phenomenon resulting in fragility of some metals when exposed to very cold temperatures
- 11. Most abundant chemical substance in the universe
- 12. Devices used to control the flow of gases and ensure safety during storage and transportation
Down
- 1. A safety device to relieve pressure
- 2. The most common hazard of high pressure gas cylinders
- 4. The acronym for the organization that sets safety standards for industrial gases
- 5. When drivers take a nap at the wheel
- 6. A device that measures the concentration of gases in the air
- 8. This gas is commonly used in healthcare for anesthesia