Across
- 2. - base form
- 7. - make work easier
- 9. - one or two sloping sides
Down
- 1. - rope or string passes
- 2. dig up dirt
- 3. - long rigid bar over support
- 4. - made up of more than one simple machine
- 5. compound machine that cuts paper
- 6. - plane that spiral around the object
- 8. - flat surfaces one higher than the other