It is very useful to RIGHT CLIK on the repare icon in mules meny, so they would automaticly repair averything arround them any time they are not busy gathering resources.
It is good to keep them arround Hunters so they would keep repairing Hunters while they atack... Spinal Crowlers, for example.
It is good to keep them arround Hunters so they would keep repairing Hunters while they atack... Spinal Crowlers, for example.