If 20 seconds is the time limit I would test some form of the following to see what resonates. 1. Hey, are you interested in starting a career that, according to everyone we've spoken with, they would choose all over again if given the chance? 2. Did you know that Power Engineers work across multiple industries all over Canada, providing diverse career opportunities nationwide? 3. How would you like to be in a career where you can potentially earn within the top 5%-10% of incomes in Canada? 4. Are you interested in technically challenging work that pushes the boundaries of innovation and engineering?