This sub-class also includes: - manufacture of crude vegetable oils: olive oil, soya-bean oil, palm oil, sunflower-seed oil, cotton-seed oil, rape, colza or mustard oil, linseed oil etc. - manufacture of non-defatted flour or meal of oilseeds, oil nuts or oil kernels - manufacture of refined vegetable oils: olive oil, soya-bean oil etc. - processing of vegetable oils: boiling, dehydration, hydrogenation etc. - manufacture of margarine - manufacture of melanges and similar spreads - production of cotton linters, oilcakes and other residual products of oil production.