Across
- 5. take care of the environment
- 7. machine that uses wind to make electricity
- 10. solar energy turn in to electricity energy
Down
- 1. to protect nature and no impact during degradation to the world
- 2. accumulation a waste in the world
- 3. use again
- 4. ability to last a long time
- 6. process of reusing waste materials
- 8. keep electricity
- 9. natural material used in manufacturing
