This document discusses how inventions can have multiple uses. It provides the example of Stanley Mason, an inventor who created over 100 everyday products and found new uses for existing inventions. The document encourages thinking about how to solve problems in new ways, such as using old inventions for different purposes. It asks students to identify multiple uses for various inventions like paper clips, televisions, radios, and propose ways to open a can or crack walnuts using only their body.