engineering
Across
- 4. public supply pipe for water
- 7. 1/R-value
- 8. repeated use of designs
- 12. force in a rotational motion
- 14. 2x6 for roofs
- 15. Draws attention to an area
Down
- 1. Less is more
- 2. animal or vegetable matter
- 3. a device that uses water
- 5. Lightness or darkness of an object
- 6. light weight wall for design
- 9. Q'=AU▲T
- 10. water not absorbed by the ground
- 11. precast masonry units
- 13. type of line that shows dignity, strength, and stability