Manufacture and repair of other oilfield and gasfield machinery and equipment (e.g. derricks, tool joints)

This Sub-class includes includes the manufacture and/or repair of other oilfield and/or gasfield machinery and/or equipment, such as: •oilfield and/or gasfield derricks and/or tool joints •continuous-action elevators and/or conveyors for underground use in oilfield and/or gasfield •boring, cutting, sinking and/or tunnelling machinery (whether or not for underground use) in oilfield and/or gasfield •machinery for treating minerals by screening, sorting, separating, washing, crushing, etc. in oilfield and/or gasfield •earth-moving machinery (e.g. bulldozers, angle-dozers, graders, scrapers, levellers, mechanical shovels, shovel loaders) in oilfield and/or gasfield •track-laying tractors and/or tractors used in oilfield and/or gasfield

•manufacture of oil rigs, see 28241 •manufacture of machine tools for metal cutting and/or metal forming, see 2822