industrial yarns, and its research and development are all part of its TTB division. Refrigerant gases, industrial chemicals, exotic chemicals, fluorochemicals, allied products, and development and research are all included in its CB section. Biaxially oriented polyethylene terephthalate and biaxially oriented polypropylene film are examples of polyester films and polypropylene films included in its PFB sector. Coated fabric, laminated fabric, and other auxiliary activities are included in its others category.