Union apprenticeship sign-ups near Phoenix (Phoenix)

The training centre near Phoenix opened applications for apprenticeships in electrical and welding trades. I worked as a data-entry clerk before this. Classes are in the evening and work is during the day. What do you wish you had known?

Keep everything in writing and save the confirmation numbers. It saved me later.

The aptitude test was mostly maths and reading a diagram. Free practice tests online were enough for me.