You haven't worked on the line or a traditional factory job then? There are a lot of "practices" to power game your pay by working in such a way to ensure there

You haven't worked on the line or a traditional factory job then? There are a lot of "practices" to power game your pay by working in such a way to ensure there is Overtime or to optimise your piece rate. For example in the UK don't post a first class letter on Friday as work is deliberately kept back to ensure there is OT at the weekend.