7 Metalworking machines and tools; loading-unloading machines and apparatus; chemical machinery and equipment; textile machines and apparatus; pulp manufacturing, paper manufacturing, and paper processing machinery and equipment; pneumatic or hydraulic machines and instruments; roller bearings; ball-bearings; axles (machine elements other than those for land vehicles); shaft couplings (machine elements other than those for land vehicles); bearings (machine elements other than those for land vehicles); power transmission equipment (machine elements other than those for land vehicles).