Question:
Goal: To make a sand cast aluminum ring holder,

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
melt aluminum scraps inside a little iron container using an oven that can reach very high temperatures (800 C).

Question:
Goal: tablecloth

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
cover part of a floor

Question:
Goal: What can I do to clear ice off my steps?

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
Combine 1 teaspoon dawn liquid, 1 tablespoon rubbing alcohol, and a half gallon of hot water, this will clear the steps if you pour it on them, it will also deter further freezing.