Please choose the correct solution to the question: How to store cans for recycling?

Solution1: Take the cans and place clingwrap over them then step on the clingwrap to uniformly crush the can and stack them in a bag for recycling

Solution2: Take the cans and place wood over them then step on the wood to uniformly crush the can and stack them in a bag for recycling

Answer format: solution1/solution2
Answer: solution2