Across
- 4. the world's leading producer of oxygen
- 5. 'Have fun!'
- 6. advise, design, and _______
- 7. systems to make your building more comfortable
- 10. bright weather
- 11. moisture
- 13. what makes us go
- 14. used to make glass
- 15. hit the links
Down
- 1. holiday
- 2. where water meets land
- 3. we're help to help
- 8. one may be electrical, like Thomas Edison
- 9. the best time of the year (some might say!)
- 10. sun protection
- 12. produces electricity