indoor heavy load pallet transport carts type 1 small sized_decoiler_with_variable_speed_drive pedestrian_mover_PTT3_without_pivot_bearing_without_lifting_hydraulics Schwerlasthandling gripper feed AVP universal_transport_carts_type_1 pedestrian tug units Werkzeughandling gripper feeds series X with electric valve Coil Processing Flow Production Advantage vehicles for coil transport