Inactivate a technology
Select the technology to inactivate in the Machines and Materials tree.
Right-click and select Inactivate Technology Group.
The software displays the tree structure of the inactivated technology as gray. The software saves the data, but the technology is no longer available in the system.
Reactivate a technology
Select an inactivated technology in the Machines and Materials tree.
Right-click and then select Activate Technology Group.