Hi,
there a nary parallel operations successful time-series based planning. But for your use-case you tin delegate the 4 resources to 1 accumulation resource.
See besides Production Source Resource and the archetypal enactment there: Cheers, Carsten
"If you delegate much than 1 assets to a accumulation root of supply, the depletion of these resources isn’t split. All of them are consumed arsenic if determination was lone 1 resource. Assigning aggregate resources to 1 root means that each the resources are consumed according to their respective depletion rates, that is, if 1 of the resources doesn’t person capable capacity, the root can’t beryllium used."