input question: How can you add new life to old tights?

output answer: Dampen the tights in question, remove any excess water, place them in a sealed bag, and freeze them, according to one MIT bioengineer, elasticity can actually be improved by the freezing process.

input question: How do I decide which things can be stored in a camping tent?

output answer: Because there isn't usually much space in a tent, you should decide that sleeping bags are an obvious must but crates and hard-cased storage can be left outside.

input question: what is the formula of finding the area of a trapezium

output answer:
To calculate the area of a trapezium, divide it into a rectangle and two triangles as shown below. Now, piece together the triangular ends so that the trapezium is divided into a triangle and rectangle. The base of the triangle is the difference between the lengths of two parallel sides. That is, a b