Manufacture of structural wooden goods [intended to be used primarily in the construction industry such as beams, rafters, roof struts, glue-laminated and metal connected, prefabricated wooden roof trusses, doors, windows, shutters and their frames, whether or not containing metal fittings, stairs, railings, wooden beadings and mouldings, shingles and shakes etc.]
Preparation and spinning of jute, mesta and other natural fibers including blended natural fibers n.e.c. *Blended yarn/fabrics means, yarn/fabrics containing more than 50% of one fiber.
Repair and maintenance of other special purpose machinery of division 28 (weighing equipment, vending machines, cash registers, photocopy machines, calculators, typewriters etc.)