Across
- 3. see-able
- 5. digits
- 8. compound of natural oils or fats with sodium hydroxide or another strong alkali
- 12. I am all of these
- 13. risk with contamination
- 14. flush with clean water
- 17. remove this
- 18. universal solvent
- 19. removal of PPE
- 20. 1997 movie, Jody Foster detects extraterrestrial communications
- 21. small life form
Down
- 1. avoid splashing water on this
- 2. sickness
- 4. waterless cleaning agent
- 6. wash hands before this
- 7. countenance
- 9. long and artificial nails
- 10. technique to avoid spread of microbes
- 11. dirty
- 15. water closet
- 16. desired water temperature
