Across
- 4. - A machine for lifting heavy objects.
- 6. - A vehicle that runs on tracks.
- 7. - A flying machine with rotating blades.
- 9. - A powerful vehicle used in farming.
- 10. - A machine with a large blade for pushing earth.
Down
- 1. - An underwater vessel.
- 2. - A vehicle powered by electricity.
- 3. - A machine that can perform tasks automatically.
- 5. - A vehicle designed for space travel.
- 8. - A tool used to make holes in hard materials.