Goal:
microwave
Answer:
heats food

Goal:
How do I use a tin can to melt wax shavings?
Answer:
Place pot of water on stove and bring to a boil. Place shavings in tin can and place tin can in boiling water.

Goal:
To make canvas shoes into closed toe sandals.
Answer:
Using fabric scissors, remove the back of the shoes, forming curved sandal shape on the sides.

Goal:
Prevent rust from building up on objects.
Answer:
Use a primer designed to stop rust.