crossword recycle rubbish

Crossword

Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
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  8             
             

Across:

1. Items that decay naturally in the environment
3. collective name for materials to cover food and goods
4. type of material made from oil
5. another word for waste
6. another word for putting in the ground
8. rubbish that is not liquid and not gas

Down:

2. to transform rubbish either into the same product or into a different one
7. to utilise an item more than once