[Q]: Objective: hook
[A]: can hold a hat well

[Q]: Objective: To clean a computer's fan
[A]: Use a can of compressed air to gently fan in and around the sides of the computer's fan ducts.

[Q]: Objective: Heat up leftovers evenly.
[A]: Place empty circle in middle to space food out evenly.

[Q]: Objective: how to remove ink from fabric
[A]:
For ballpoint pen ink. Place a paper towel under the stain and sponge it with rubbing alcohol. Use an eyedropper to apply alcohol directly onto the stain or, for a larger spot, pour the alcohol into a small dish, immerse the stained area and soak for 15 minutes. The ink should begin to dissolve almost immediately.