Engineers keep the base in operating condition by constructing and repairing damaged buildings and Bots using Spares, operating machines in Factories and monitoring Telescope Consoles in Control Centers.
Repair Bots until a Bot Auto Repair Station is made in the Bot Factory
Repair damage due to meteors
Use spares to maintain the integrity of Exterior Structures
Operate Telescope Consoles
Carry materials during Trade Events
Carry materials to a build site
Fight Intruders during Red Alert events