Across
- 1. ensure they're worn on feet.
- 3. used for breathing protection.
- 4. must be kept clear of drill bit.
- 7. used to stop drill in emergency.
- 9. hearing protection.
- 11. item that drills holes.
- 12. tightens/loosens chuck.
Down
- 2. used to drill large holes.
- 5. worn to keep clothing clean.
- 6. if drill is used too long.
- 7. source of power.
- 8. used to hold drilling material.
- 10. eye protection.