[Q]: Which of the following solutions is better for the following goal:
To remove sharp edges off a cut Iron

[A]: You can remove the sharp edges by filing.

[Q]: Which of the following solutions is better for the following goal:
Get stickers off of a window.

[A]: A razor blade will easily get stickers off a window.

[Q]: Which of the following solutions is better for the following goal:
To fix a hole in a screen.

[A]: If you have a minor hole in your screen but don't want to replace the whole thing, simply add a swipe of clear nail polish to the screen to cover the hole and it'll be as good as new in minutes.

[Q]: Which of the following solutions is better for the following goal:
What type of material should you use to make the werewolf head for a costume?

[A]:
You will need plaster gauze strips and hot glue