Across
- 2. used to make bottles for mineral water
- 4. synthetic polymer that can be moulded
- 7. crops grown during winter
- 8. crops harvested in october
- 9. first artificial fibre
- 11. things that decay through natural process
- 13. small unit of polymer
- 17. long strands formed by joining small units
- 18. terylene and cotton blend
- 19. used in electrical switches
- 20. tool used to loosen the soil
Down
- 1. tool used for levelling
- 3. a weedicide
- 5. non stick coating on pans
- 6. organic nitrogen converted in ammonia
- 10. used as a substitute for wool
- 12. rearing of honeybees on large scale
- 14. process of gathering crops
- 15. most abundant element in atmosphere
- 16. living organisms which may damage crops