Across
- 3. push
- 4. the action of one object coming
- 5. movement or series of moves
- 7. a sponsor
- 9. x-rays
- 10. thing made by hand
- 12. a speech or a writing
- 13. branch of science
- 14. commercial
Down
- 1. heated objects
- 2. detecting vibration
- 6. a person who designs things
- 8. begin or start
- 11. a peice of machinery