Abstract: A manufacturing plant, in accordance with one embodiment, includes a turntable, interchangeable pick-up, and clamping devices for assemblies at several working locations. The pick-up and clamping devices are assigned at least one processing robot, set up for joining operations, which performs the joining operations on the assemblies held by the pick-up and clamping devices. The turntables 1, 2 are assigned interchange stations, with which the pick-up and clamping devices on turntables can be replaced by others. The interchange stations are preferably designed as turntables with different storage locations for the pickup and clamping devices to be replaced. The different pick-up and clamping devices needed for processing various types of assemblies as well as grippers for the handling robots are introduced exclusively from outside in exactly the same way as the pre-fabricated parts being processed, if a change from one type of assemblies to another type is required.