During WW2, when armies advancing through enemy territory captured enemy factories / oil refineries, how did this actually work in practice?

Question

Did they have their own scientists / specialists travelling in the rear who then try to figure out how to get the facility back online? I’m assuming here that the enemy workers have already fled and the facilities are empty.

In: 77

Answer 1

The Soviets dismantled everything they could and moved it east, burnt the rest.

https://en.m.wikipedia.org/wiki/Evacuation_in_the_Soviet_Union#:~:text=Evacuation%20of%20industrial%20plants%20began,%2C%20Siberia%2C%20and%20Central%20Asia.

The Germans burnt everything they could,the Soviets dismantled everything they left and shipped it home as compensation.