BT intends to deliver Equipment requiring standard maintenance tools only. An exception therefore called “Special Tools” includes all Non-Standard Tools that can either only be purchased from the Supplier or a limited number of subcontractors, or that needs to be manufactured / assembled in-house by the Supplier, necessary to, test, operate or maintain the Equipment including PC software and hardware. Should a tool be required that is not standard, it shall be defined as a Special Tool and declared to BT.Special tools shall include, but are not limited to, any jigs, fixtures, lifting devices, measuring devices, equipment, hand tolls, power tools, or other tools and equipment necessary for disassembling, maintaining, troubleshooting, repairing and reassembling vehicle system or subsystem LRUs."