Please choose the correct solution to the question: How do I make sure that the melamine doesn't swell up with moisture when making a concrete countertop mold?

Solution1: Spray spray adhesive on the exposed edges, then put down clear packing tape on it. Trim the excess packing tape with an exacto knife.

Solution2: Spray spray adhesive on the exposed edges, then put down clear packing tape on it. Trim the excess packing tape with an hammer.

Answer format: solution1/solution2
Answer: solution1