Finish the following sentence with the best choice: How do I make sure that the melamine doesn't swell up with moisture when making a concrete countertop mold?

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

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