[Q]: Objective: sand paper
[A]: can be used to file down fingernails

[Q]: Objective: What can I do to store documents externally and privately.
[A]: Upload the documents onto a flash drive.

[Q]: Objective: How to remove set-in laundry stains.
[A]: Saturate set-in stains with vinegar, then rub the spot with a paste made from equal parts vinegar and baking soda. You can add a couple tablespoons each of vinegar and laundry detergent to a bucket of water and soak the garment overnight if the stain persists. Rinse and wash.

[Q]: Objective: glass
[A]:
is a good material for a cup