Across
- 3. a mix of cement,water and gravel
- 4. helps to keep cold away
- 7. a small house, usually in woods
- 8. big house with many apartments
- 9. does all the piping works
Down
- 1. lightweight triangle framework, usually used in roofs
- 2. a row of houses
- 5. you need this before you can start construction work
- 6. dirty water goes here