Manufacture of ploughs, manure spreaders, seeders, harrows and similar agricultural machinery for soil preparation, planting or fertilizing, harvesting or threshing machinery
Manufacture of medicinal substances used in the manufacture of pharmaceuticals: antibiotics, endocrine products, basic vitamins; opium derivatives; sulpha drugs; serums and plasmas; salicylic acid, its salts and esters; glycosides and vegetable alkaloids; chemically pure suger etc.