[Q]: Which of the following solutions is better for the following goal:
Increase lifespan of laptop battery.

[A]: Charge battery when almost drained.

[Q]: Which of the following solutions is better for the following goal:
To sharpen a stick, you can

[A]: Use a knife to cut outwards from the tip until it is sharp

[Q]: Which of the following solutions is better for the following goal:
Remove mirror stains.

[A]: Mix half water and vodka, spray on mirror.

[Q]: Which of the following solutions is better for the following goal:
How to clean a glue gun.

[A]:
While the glue gun is still hot use a ball of aluminum foil to wipe it off.