Special industrial group C Special industrial group C
Use for
(a)
burning bricks or pipes;
(b)
burning lime or dolomite;
(c)
producing zinc oxide, cement or alumina;
(d)
foaming, crushing, screening or heating minerals or slag;
(e)
processing pulverized fuel ash by heat;
(f)
producing carbonate of lime or hydrated lime; or
(g)
producing inorganic pigments by calcining, roasting or grinding,
other than where the process is ancillary to the getting, dressing or treatment of minerals and is carried on in or adjacent to, a quarry or mine.