heavy load indoor universal truck type 1 Hub Turners Schwerlasthandling conventional_lines_for_coil_processing push pull unit PTT3 with lifting hydraulics heavy_load_pallet_truck_type_1 hydraulic_gripper_feed_AVP pedestrian transport solutions with lifting hydraulics heavy_load_indoor_universal_truck_type_1 push_pull_units_PTT3 medium sized_motorised_decoilers