7 Mixing installations of all kinds, in particular concrete mixing installations; conveyor machines for the construction industry; machines, namely, fixed mountable and convertible concrete pumps; machines, namely, concrete pumps for mounting on chassis, vehicles and crawler tracks; concrete distribution booms, namely, concrete placing booms; truck-mounted concrete pumps; stirring devices, namely, mixing machines; mobile agitators for circulating liquid media; machines for homogenising biomass, in particular in biogas installations and manure containers, namely, biogass mixers being parts of machines; earth-moving machines of all kinds, namely, hydraulic excavators, rail-road excavators, wheel loaders, bulldozers, crawler loaders, cable excavators; pile driving and drilling machines, rotary drilling machines, industrial drilling machines; electric working tools, namely, electric generators; material handling machines of all kinds, namely, wood handling apparatus being wheel loaders for timber handling, bulldozers, crawler tractors, timber material handling machines for log handling, hydraulic excavators, telescopic loaders being loading machines, reach stackers being stacking machines; power-operated lifting and moving equipment, namely, pipe layers; crawler conveyors being machines; crusher plants, namely, crushing machines for industrial purposes; cranes of all kinds, in particular tower cranes, automobile cranes, deck cranes, container cranes, mobile wharf cranes, crawler cranes, and reach stackers being stacker cranes; gas and diesel engines for combined heat and power plants; machine tools, in particular gear cutting machines, gear shaping machines, roller milling machines, gear hobbing machines, and machine tools therefor, in particular gear cutting tools; recycling installations, namely, vibratory screen separators, crushing machines for industrial purposes; installations for material handling engineering, in particular gantry robots being gantry cranes and transport belts being belt conveyors; installations for material handling engineering in the nature of workpiece storage systems comprising machine operated platforms capable of elevations above ground level and used for storage; installations for material handling engineering in the nature of workpiece pallet storage systems primarily consisting of hoists, mechanical lifts, and hydraulic lifts and also including storage racks and shelves; robot cells being industrial robots for workpiece processing; hydraulic and electromechanical winches; belts for conveyors; live rings for wind installations, namely, metal seal rings for use with turbomachinery; hydraulic flight control units, namely, hydraulic controls for motors and engines, hydraulic pumps; parts and fittings for the aforesaid goods, in particular for diesel engines, exhaust gas treatment installations, diesel-hydraulic hybrid drive units, namely, engine rods and fuel pumps; electric motors for machines; motor and engine control apparatus, namely, pneumatic controls for motors and engines; actuators, namely, hydraulic valve actuators; gear boxes other than for land vehicles; drives for pumps; valves, being parts of machines; cylinders for machines; hydraulic components, namely, hydraulic pumps; hydraulic equipment, namely, lifting gear in the nature of hydraulic lifts; replacement parts of cranes being working tools and attachment tools, namely, buckets, grippers, shovels; replacement parts of earth moving apparatus being working tools and attachment tools, namely, buckets, grippers, shovels; hydraulic quick-coupling systems for attachment tools primarily comprising couplings for machines, hydraulic linear actuators other than for land vehicles; quick-coupling adapters being couplings for machines; oscillation tools, namely, vibrating grinding machines; hydraulic hammers; pipe tongs being jaws for use in the precision clamping of work pieces; telescopic wheel loaders; support systems, in particular for mobile cranes and truck-mounted concrete pumps, namely, hydraulic valve actuators and telescoping leg supports for mobile cranes; hydraulic quick coupling systems for installers and quick hitches, namely, couplings for machines; engine control apparatus, namely, pneumatic controls for engines and electronic controllers for engines; actuation mechanisms for controlling and operating rudder surfaces, namely, pneumatic and hydraulic valve actuators for, in particular, vertical rudders, and air brakes, cargo doors, rotor blade drives, travelling gear and other aviation-related applications, including fuelling systems, rotor blades for propulsion mechanisms, thrust-reversers and thrust vectors; thrust reversal systems being thrusters for machinery; generators, namely, electricity generators; machine parts beings housings of insulating materials, in particular vacuum insulation materials; pressure regulators being parts of machines