Mixing installations, namely, concrete mixing installations in the nature of mixing machines; 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; machines for distribution of concrete, namely, concrete distribution booms; Machines, namely, truck-mounted concrete pumps; parts and fittings for concrete mixing installations in the nature of mixing machines, conveyor machines for the construction industry, fixed mountable and convertible concrete pumps, concrete pumps for mounting on chassis, vehicles and crawler tracks, concrete distribution booms, and truck-mounted concrete pumps, namely, parts and fittings being machines which can be installed on vehicles chassis and crawler tracks; stirring devices, namely, machines for stirring; mobile agitators for circulating liquid media; machines for homogenising biomass, in particular in biogas installations, manure containers and sewage treatment plants; earth-moving apparatus, namely, hydraulic excavators, rail-road excavators in the nature of excavating machines, wheel loaders, bulldozers, crawler loaders in the nature of crawler-tracked loaders, and cable excavators in the nature of excavating machines; pile driving and drilling apparatus in the nature of pile drivers and drilling machines, rotary drilling apparatus in the nature of drilling machines, industrial drilling apparatus in the nature of drilling machines and drilling rigs; power tools, namely, power operated drilling rigs, namely, accumulator-driven and battery-driven drilling rigs; power tools, namely, power operated drilling rigs and drilling machines; material handling apparatus, namely, wood handling apparatus, namely, machines for lifting woods and logs; hydraulic shovel in the nature of mechanical shovels, telescopic loaders in the nature of earth moving machines, namely, loaders, stacker cranes in the nature of reach stackers; Power-operated lifting and moving equipment, namely, pipe layers; crawler conveyors in the nature of conveyors being machines; machines, namely, crusher plants; cranes, namely, rotating tower cranes, truck-mounted cranes, ship cranes, container cranes, mobile harbour cranes, crawler cranes, stacker cranes; gas and diesel engines not for land vehicles, namely, gas and diesel engines for combined heat and power plants; machines and machine tools, namely, gear cutting machines, namely, gear shaping machines, roller milling machines, gear hobbing machines, gear grinding machines and tools therefor, in particular gear cutting tools; recycling installations, namely, screw-type and trough-type concrete recycling machines; installations for material handling engineering, in particular, gantry robots in the nature of industrial robots, transport belts in the nature of belt conveyors, workpiece storage systems in the nature of industrial robot cells that specialize in storage, workpiece pallet storage systems in the nature of industrial robot cells that specialize in storage; robot cells in the nature of industrial robot for workpiece processing machining; hydraulic and electromechanical winches; belts for conveyors; machine parts, namely, live rings for wind-powered electricity generators; hydraulic flight control units comprised primarily of hydraulic pumps and hydraulic valve actuators; parts and fittings for the aforesaid goods, in particular diesel engines for machines, exhaust gas treatment installations in the nature of exhaust gas treatment systems for diesel engines, drives for motors, namely, diesel-hydraulic hybrid drive units; parts and fitting for cranes and the aforesaid goods, namely, electric motors not for land vehicles, motor and engine control apparatus in the nature of hydraulic and pneumatic controls for motors and engines, hydraulic linear actuators, gear boxes other than for land vehicles, hydraulic and pneumatic pump drives, valves being parts of machines, cylinders for machines and hydraulic components and equipment, namely, masts in the nature of lattice mast cranes and concrete pumps, lifting gear in the nature of lifting jacks other than hand-operated; power tools and attachment tools, namely, buckets in the nature of loader buckets for excavators, grippers in the nature of material handling machines for use in scrap, wood, and port handling, shovels in the nature of mechanical shovels; hydraulic quick-coupling systems for attachment tools in the nature of couplings for machines; quick-coupling adapters in the nature of adapters for couplings for machines, oscillation tools in the nature of oscillators, hydraulic hammers, pipe tongs, namely, parts of machines, in particular parts of cranes; cabs, namely, cabins, in particular driver's cabins being parts of mechanical installations; telescopic wheel loaders; support systems comprising outriggers and support arms for mobile cranes and truck-mounted concrete pumps