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.
Wholesale of other machinery, equipment and supplies n.e.c. including computer-controlled machine tools and computer-controlled sewing and knitting machines
Repair and maintenance of other special purpose machinery of division 28 (weighing equipment, vending machines, cash registers, photocopy machines, calculators, typewriters etc.)