Goal:
old shirt
Answer:
can clean oil spill

Goal:
How can you ensure the flow of water goes down into a pond?
Answer:
Make sure the tiers are at different heights and have an opening for spillover.

Goal:
eyeglasses
Answer:
make objects larger

Goal:
To add a slight curve to the top of a box, you can
Answer:
Place a sander in a vice and run the box against the sander until it's curved