Across
- 3. Large-scale production
- 4. Human workforce
- 7. Tools and machinery
- 11. Keeping nature untouched
- 12. Long-term resource use
- 14. Useful natural material
- 16. System of production and exchange
- 17. Oil or gas boring
- 20. Removal of resources
Down
- 1. Finite natural resource
- 2. Output efficiency
- 5. Stone extraction
- 6. Making finished goods
- 8. Funding for production
- 9. Removal of minerals
- 10. Protection of resources
- 13. Intensive resource use
- 15. Purifying raw materials
- 18. Naturally replenished resource
- 19. Manufacturing building