e/Titanium in Africa

Information
has gloss	eng: Titanium mining in Africa has been beset by environmental problems due to the polluting nature of processing rutile, a principal titanium ore. Titanium production in Africa includes the following principal countries and companies.
lexicalization	eng: Titanium in africa
instance of	(noun) a light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite Ti, atomic number 22, titanium