Across
- 2. Gray-topped tubes
- 5. Black-topped tubes
- 9. Light Green tubes
- 10. Green-topped tubes
- 11. Clear or Red/Gray topped Tubes
- 15. Orange or Gray Yellow-topped tubes
- 16. Yellow-topped tubes
- 17. Yellow-topped tubes
- 18. Tan-topped tubes
Down
- 1. White-topped tubes
- 3. Light Blue-topped tubes
- 4. Red-topped tubes
- 6. Green-topped tubes
- 7. Lavender-topped tubes
- 8. Tiger Top tubes
- 12. Pink-topped tubes
- 13. Gray-topped tubes
- 14. Royal Blue topped tubes