15.22 Problem Solving Example Part 1

Problem Solving

Imagine you are given a screw in a wall, a toothbrush, and a lighter. Using only these materials, how could you turn the screw? The answer is probably not immediately obvious. In most contexts, the dominant functions of a toothbrush are related to dental hygiene. The dominant functions of a lighter are related to lighting cigarettes or starting a fire. Neither of these functions helps you turn screws.

A toothbrush and lighter on a white background.
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