Across
- 4. requirements for something to happen
- 5. smth you do not want to lose
- 8. shows that smth happened because of smth else
- 9. a mix of different metals
- 10. force of impact on a support,m times g
Down
- 1. spacecraft, automobile, other means of transport
- 2. mass devided by volume
- 3. controlled by a human
- 6. own
- 7. the outside part of smth