Across
- 5. Tool used to put out small fires
- 7. Equipment worn to protect workers
- 9. A potential source of danger
- 10. Atoms of the same element with different masses
- 11. Regular check to ensure equipment safety
- 13. Substance that speeds up a chemical reaction
Down
- 1. Following all safety rules and laws
- 2. A long-chain molecule formed from repeating units
- 3. Devices that warn about emergencies
- 4. Technology working at the molecular scale
- 6. Process of breaking compounds using electric current
- 8. Immediate help given after an accident
- 12. Gradual destruction of metals by chemical processes