Narrowing it down to "one" problem

The assignment was to narrow down a problem to just one solution.  And...  that solution must work even when you (the student) graduate.  Here is an example of one solution from Xavier.  Check out the link at the bottom.

http://xavierz-enginework.blogspot.com/2013/12/thinking-like-engineer.html

Note!  In the Fall of 2017, I made a follow up VIDEO.  https://www.youtube.com/watch?v=Z0zAysGkHz8&t=4s