You're a design engineer and a lady with a lot of money
comes to you with four of her products (seen below). She will pay you
well if you can improve them to better suit her needs.
Click on the "What a design engineer does"
button to learn a little bit about your profession.
Your job, if you choose to accept it, is to take one
of the existing products below and determine a new material or materials
that would better suit the application stated. In other words, there are
other materials out there that could make the product cheaper, lighter,
stronger, more enviromentally safe, and more resistant to corrosion allowing
you to sell more.