Finish the following sentence with the best choice: How to heat up thin metal quickly?

Choices:
- Build a fire and using tongs place the metal onto the coals and leave for a few minutes, remove when they are hot enough
- Build a fire and using your hands place the metal onto the coals and leave for a few minutes, remove when they are almost melted

Answer:
Build a fire and using tongs place the metal onto the coals and leave for a few minutes, remove when they are hot enough