Building's already has a button: play/stop (stop production / restart procution). There is room to two button, right side of the existing button would be a new one, start all/ stop all.
- It works like the start/stop button, but this new one start or stop all same building.
- Stop or start only same buildings, if u press stop all in an improved deerstalkter then the imp deerstalkers affected, but hunters not, etc.