Cement mixers, works cement mixers, coating apparatus, dust sieves, motors (with the exception of motors for land vehicles), accessories for motors, compressors, press-filters, valves (parts of machines), civil engineering machinery, industrial mills, french digging equipment, lifting apparatus, elevators, winches, gypsy winches, lifting barrows, hydraulic lifters, escalators, lifting jacks, lifting ovens, pulleys, conveyor belts, apparatus for the lifting and transport of liquids, pumps, machine valves, water expellers, water extractors, valves for the transport and lifting of water, machines for waste collection and treatment in international class 7