Across
- 2. military operations at sea
- 6. a type of cloth or woven fabric
- 8. also called crude oil
- 9. conduct of trade
- 13. large movable equipment
- 14. the total weight of a cargo
- 15. a hollow container
- 17. the action of driving or pushing forward.
Down
- 1. relating to chemistry,
- 3. cause to move in a particular direction
- 4. object surviving from an earlier time
- 5. vapor
- 7. machine used for moving heavy objects
- 8. cylindrical pointed or tapered piece
- 10. a tall upright post on a ship or boat
- 11. a machine for producing continuous power
- 12. buy and sell goods and services
- 16. echolocation used in air