Goal:
How do you make a dull knife shiny?
Answer:
Use a buffer and rub it on the blade until it shines up.

Goal:
To make sodium carbonate, you can
Answer:
Bake baking soda in the oven for an hour

Goal:
How to trim branches that are higher up the tree.
Answer:
Use a small step stool so you can safely cut the branches off.

Goal:
How can I learn to swim?
Answer:
Look online for a local swim instructor and get lessons.