Electric arc cutting apparatus; electric arc welding apparatus; concrete mixers [machines]; bulldozers; hoppers [mechanical discharging]; mine borers; agitators; drilling rigs, floating or non-floating; drilling heads [parts of machines]; drilling bits [parts of machines]; raking machines; sieves [machines or parts of machines]; rubber tracks being parts of crawlers on loading-unloading machines and apparatus; rubber tracks being parts of crawlers on agricultural machines; rubber tracks being parts of crawlers on construction machines; hydraulic engines and motors; chisels for machines; electric hand drills; crushers for kitchen use, electric; rakes for raking machines; shredders [machines] for industrial use; tools [parts of machines]; coal-cutting machines; compressors [machines]; diggers [machines]; rams [machines]; housings [parts of machines]; taps [parts of machines, engines or motors]; cranes [lifting and hoisting apparatus]; grindstones [parts of machines]; cultivators [machines]; soldering lamps; winches; bending machines; mineworking machines; blowing machines for the compression, exhaustion and transport of gases; sealing machines for industrial purposes; crushing machines; waste disposal units; earth moving machines; cord making machines; ore treating machines; sifting machines; cinder sifters [machines]; rammers [machines]; drainage machines; machines and apparatus for cleaning, electric; compressed air machines; tilling machines for agricultural purposes; cutters [machines]; agricultural machines; mixing machines; sorting machines for industry; moulding machines; electromechanical machines for chemical industry; machine wheelwork; feeders [parts of machines]; transmission mechanisms, other than for land vehicles; forge blowers; mixers [machines]; threshing machines; pneumatic hammers; hammers [parts of machines]; pumps [machines]; drilling machines; saws [machines]; loading ramps; pneumatic transporters; hoists; lifts, other than ski-lifts; saw blades [parts of machines]; pistons [parts of machines or engines]; shock absorber plungers [parts of machines]; presses [machines for industrial purposes]; vacuum cleaners; cutting blow pipes, gas-operated; blade holders [parts of machines]; stands for machines; machine tools; mortising machines; stone-working machines; metalworking machines; size adjustment cutting machines for industrial purposes; threading machines; trueing machines; grinding machines; tables for machines; derricks; transmissions for machines; boiler tubes [parts of machines]; sifting installations; control mechanisms for machines, engines or motors; handling apparatus for loading and unloading; elevating apparatus; centrifugal machines; elevator chains [parts of machines]; drive chains, other than for land vehicles; transmission chains, other than for land vehicles; shuttles [parts of machines]; connecting rods for machines, motors and engines; excavators; shovels, mechanical; electric hammers; parquet wax-polishers, electric; moving staircases [escalators].;