flatbed truck pneumatic gripper feed series X heavy_load_universal_trucks_type_1 ground_conveyor_PTT3_with_pivot_bearing Werkzeugwechsel gripper feed AVP flatbed_cart Schwerlasthandling pallet_transport_carts_type_1 heavy load indoor universal truck type 2 strip_levelling_machine ground conveyor PTT3 with pivot bearing Coilverarbeitung