7 Chemical processing machines and apparatus; dust collecting machines for chemical processing; mist collecting machines; oil mist collecting machines; steam and oil separators; filtering machines for chemical processing; filtering machines for dust collecting machines; filtering machines for mist collecting machines; filtering machines for oil mist collecting machines; absorbing machines for chemical processing; filters for chemical processing machines and apparatus; pneumatic or hydraulic machines and instruments; air suction machines; blowing machines; dust exhausting installations for cleaning purposes; dust removing installations for cleaning purposes; industrial robots; non-electric prime movers, not for land vehicles, other than water mills and wind mills; parts of non-electric prime movers, other than water mills and wind mills; shafts, axles or spindles, machine elements other than land vehicles; bearings, machine elements not for land vehicles; shafts, couplings or connectors, machine elements not for land vehicles; power transmissions and gearing, machine elements not for land vehicles; shock absorbers, machine elements not for land vehicles; springs, machine elements not for land vehicles; brakes, machine elements not for land vehicles; starters for motors and engines; AC motors and DC motors, not including those for land vehicles but including parts for any AC motors and DC motors.