Across
- 5. waste which does not cause harm to the environment or people
- 11. all building contractors must have one of these in place when doing work
- 12. all building contractors must have one to dispose of waste
- 13. waste which will not contaminate decompose in the environment
Down
- 1. gas responsible for earth change in temperature
- 2. a way of conserving water
- 3. what is happening to the earth temperature
- 4. made from creatures and plants which died millions of year ago
- 6. a way of conserving water
- 7. do leave electrical appliances in this mode
- 8. a way of conserving electricity
- 9. waste will harm people and the environment
- 10. regulations which cover the disposal of electrical items