Since Sentinel increased the work hours for the miners he had sometimes appeared in the mines to check they were actually doing their job. After all, he needed that energon for the Quintessons and he needed to keep lying to the miners.

It was in that moment when a miner that was carrykng a small coach of energon for the workers bumped into Sentinel making the energon fall. Of course the Prime didn't got any harm.

"Be more careful"

He said planly just looking at the small miner with an eyebrow raised.