Across
- 3. transforms light energy into electricity
- 7. concrete poured into a excavated trench to support the foundation and prevent settling
- 10. a collection of individual telecommunication networks
Down
- 1. what all other layers rest on
- 2. a piece of wood or metal used to support the roof or floor
- 4. buildings designed in an independent manner
- 5. a kind of clay used as a building material
- 6. a way to make your yard or land more attractive
- 8. material used to insulate
- 9. temporary frames set farther than planned foundation for elevation