Goal:
Decide what to throw out.
Answer:
If you have an item that you haven't used in a year, have completely forgotten about, or can't even image what you'll need it for ever again, then it's time to toss it.

Goal:
How to make a automatic aquarium cleaner?
Answer:
Clean the tank, you should add in premixed gravel. Place in the pump and filters. Plant your plants. Pump in water slowly then add snails and other micro critters. Put the fish in last.

Goal:
To carve letters precisely into the wooden board.
Answer:
Use a computer aided router that can follow a design in a cad program.

Goal:
how to apply nail polish smoothly
Answer:
put the polish in the fridge for 15 minutes