input question: How can you make the top of a desk dry erase?

output answer: Sand the top and then tape off the areas you don't want dry erase then brush on the dry erase paint.

input question: To keep your vacuum cleaner in excellent condition,

output answer: empty the dirt after each use. Also, wash the filter and clean the hoses on a monthly basis.

input question: Sharpen scissor blades.

output answer:
Cut through a piece of steel wool.