[Q]: Which of the following solutions is better for the following goal:
Remove rust from a tool.

[A]: Soak, for up to a week, in white vinegar.

[Q]: Which of the following solutions is better for the following goal:
comb

[A]: can be covered with duct tape to make it flat

[Q]: Which of the following solutions is better for the following goal:
how to reduce heat in peppers

[A]: remove the seeds

[Q]: Which of the following solutions is better for the following goal:
How can I keep my controller from powering down when I'm not using it?

[A]:
Put a rubber band around it so an analog stick is being pulled to the side, so it thinks it's still in use.