Across
- 2. A tool using energy to perform an intended action
- 4. The action of buying and selling goods and services
- 5. Set of tracks made of steel rails
- 7. A process of transporting someone or something
- 9. A compound or substance that has been purified or prepared
- 12. A machine with moving pars that converts power into motion
- 13. The wealth and resources of a country or region
- 15. Things that you trade
- 16. The processing of raw materials and manufacture of goods
- 18. Strong gray metal
Down
- 1. A person or company that makes goods for sale
- 3. A substance that is manufactured or refined for sale
- 6. A water way to allow passage of boats and ships
- 7. A type of cloth or woven fabric
- 8. A building where goods are manufactured
- 10. The action of inventing something
- 11. The process of obtaining coals from a mine
- 14. Hard physical work
- 17. A device used to carry out a particular function
