ensure that the reactor inside the refinary dosent explode by the heat. The refinary also has a small residential area where the workers live and it is like the other smoker stack where you rescued savic patroled by helghast police and stinger aircrafts. A tram system is also connected to the refinary that is going from the other smoker stacks, and like the automatic worker drones the tram carts is also manufactured by stahl arms.