Across
- 2. eco-friendly
- 4. recycling energy
- 7. keep electricity
- 9. accumulation waste in the world
- 10. reusable raw material
Down
- 1. last in the time
- 3. to reduce waste
- 5. solar energy turn in to electricity energy
- 6. to reuse material
- 8. to protect nature and no impact during degradation to the world