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In page Free State (province):
"Since 1989, the Free State economy has moved from dependence on primary sectors such as mining and agriculture to an economy increasingly oriented towards manufacturing and export. Some 14% of the province's manufacturing is classified as being in high-technology industries – the highest of all provincial economies. The northern Free State's chemicals sector is one of the most important in the southern hemisphere. Petrochemicals company Sasol, based in the town of Sasolburg, is a world leader in the production of fuels, waxes, chemicals and low-cost feedstock from coal.
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