Fana ka lihlahisoa tsa motlakase tse tlase-tlase le litharollo tsa lits'ebeletso bakeng sa matla a motlakase, kaho ea indasteri le ea sechaba, metallurgy, petrochemical, tlhahiso ea mechini le liindasteri tse ling.
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Fana ka lihlahisoa tsa motlakase tse tlase-tlase le litharollo tsa lits'ebeletso bakeng sa matla a motlakase, kaho ea indasteri le ea sechaba, metallurgy, petrochemical, tlhahiso ea mechini le liindasteri tse ling.