[Q]: Objective: Remove unwanted paint line.
[A]: Scrape off with a razor blade.

[Q]: Objective: Make paper food tray.
[A]: Cut front of cereal box and use rest as tray.

[Q]: Objective: Clean vase with small openings.
[A]: Add crushed egg shells and water then shake for a minute.

[Q]: Objective: how to core an apple
[A]:
To remove the apple core using an apple corer, insert the apple corer tool in the center of the apple while pushing and twisting.