I agree with comments made by 'EngineeringEric' regarding format and 'metengr' regarding content. An additional issue is how the experience described can be considered mechanical, which the board will require for a mechanical license.
I realize you are frustrated but there are several things you can you to help yourself:
Based on the Penn State reference, I assume you are US-based. If you haven't already done so, take the first part of the PE exam. Your experience won't (yet) qualify for full licensure, but get the first...
Again, it was years ago, but my application experience was basically identical to what
structSU10 described. Being an aerospace engineer, finding 3 active PEs who knew me was not easy, since few AEs are licensed. Also, I believe (at that time) that New York had a slightly higher passing grade...
lamentol,
It has been a number of years, but I am licensed by examination in NY, and the process was exactly as you describe. Three PE references (not necessarily from NY) and as 'tstructural' states, the experience required for verification was fairly stringent. Something to consider: if you...