input question: Weaken seal of a sealed envelope.

output answer: Put envelope in fridge for one hour.

input question: Keep the top of your refrigerator from getting dirty.

output answer: After cleaning the top of the refrigerator, cover it with a newspaper, then occasionally remove it to keep this area clean.

input question: Make a waste basket from cardboard.

output answer:
Cut four equal size rectangles of cardboard. Cut a square of cardboard equal in sides to the width of the rectangles. Stick the rectangles to the square with duct tape.