Soldering apparatus, electric; Mufflers for motors and engines; Soldering apparatus, gas-operated; Machines for the textile industry; Radiators (cooling) for motors and engines; Hydraulic controls for machines, motors and engines; Hydraulic engines and motors; Heat exchangers (parts of machines); Control mechanisms for machines, engines or motors; Fuel economisers for motors and engines; Mineworking machines; Suction machines for industrial purposes; Regulators (parts of machines); Machine tools; Pressure reducers (parts of machines); Cylinders for machines; Pressure valves (parts of machines); Filters being parts of machines or engines; Electromechanical machines for chemical industry; Machines and apparatus for cleaning (electric)