Across
- 4. Report - electrical equipment immediately
- 8. Keep aisles -
- 9. Never work -
- 11. Acids must be handled with - care
- 13. Do not - food in the laboratory
- 15. Never look into a - that is being heated
- 18. Do not touch, taste, or smell any - unless specifically instructed to do so
- 20. Never remove chemicals or other - from the laboratory area
Down
- 1. When removing an electrical - from its socket, grasp the plug
- 2. Labels and equipment instructions must be - carefully before use
- 3. Check the - on chemical bottles twice before removing any of the contents.
- 5. - glassware before each use
- 6. Never handle broken glass with your - hands
- 7. Any time chemicals, heat, or glassware are used, students will wear laboratory -
- 10. Dispose of all - waste properly
- 12. - fool around in the laboratory
- 14. Always work in a well - area
- 16. When - glass, allow time for the glass to cool before further handling
- 17. Heated - and glass remain very hot for a long time
- 19. Do not immerse - glassware in cold water; it may shatter