Goal and options: What is a good way to clean a metal necklace?
output answer: In a small bowl, combine 2 parts baking soda and 1 part water to make a paste. ... Dip a soft-bristled toothbrush into the mixture. ... Gently scrub your jewelry with the toothbrush. ... Plug the sink, then rinse the jewelry using warm water. ... Gently pat the jewelry dry with a soft towel.

Goal and options: Sharpen a dull razor blade.
output answer: Rub a dull razor blade across denim to sharpen it back up.

Goal and options: How can you let air out of a tire?
output answer:
Remove the valve cap and press the little metal rod inside.