Manufacture of other basic inorganic chemicals n

E.c. This class includes: - manufacture of chemical elements (except industrial gases and basic metals) - manufacture of inorganic acids (except nitric acid) - manufacture of bases, ash water and other basic inorganic compounds (except ammonia) - manufacture of other components - roasting of iron ore - manufacture of distilled water. This class excludes: - manufacture of industrial gases, see 20.11 - manufacture of nitrogenous fertilizers and nitrogen compounds, see 20.15 - manufacture of ammonia, see 20.15 - manufacture of spirituous liquor, see 20.15 - manufacture of potassium nitrites and nitrates (borax), see 20.15 - manufacture of ammonium carbonate, see 20.15 - manufacture of distilled water, see 20.53 - manufacture of base metals, see division 24