I enjoyed seeing how parts engineers design are machined. This is important for engineers so that they can design more efficiently in the future.
What I wish was different
I wish I had done more engineering work, like CAD modeling and other design work.
Advice
Take advantage of the variety of new things you can learn. From the lathe, to cnc milling, to new Solidworks techniques there are lots of unique tips and tricks you can pick up working here.