Finish the following sentence with the best choice: To make a curved surface using a flat EVA foam sheet.

Choices:
- Take the flat sheet of EVA foam and heat it using a hair dryer. Mold over a rounded shape while the sheet is still hot.
- Take the flat sheet of EVA foam and heat it using a hair dryer. Mold over a rounded shape after the sheet cools.

Answer:
Take the flat sheet of EVA foam and heat it using a hair dryer. Mold over a rounded shape while the sheet is still hot.