Apparatus and machines, all included in Class 7 for conveying, filling into containers, loosening, homogenising, discharging, feeding, crushing, milling, classifying, separating, mixing, sorting, screening, granulating and pumping industrial materials, and parts included in Class 7 of all such apparatus and machines; machines for driving industrial apparatus; valves, bearings, transmissions, couplings and clutches; all for all such apparatus and machines.;