Growing too fast to catch up
It's hard to advance and get training to move up in the levels(pay), and there is a lot of favoritism/hand holding. If you work there long enough the rules don't apply, so if you can't stand seeing people constantly breaking the rules without consequence this might not be the place for you. Interesting job but assemblers are not treated equally to other departments, i.e. lower pay scale, low work, sent home when there is no/low work, no consistent training.