| http://www.w3.org/ns/prov#value | - binds tar and makes it waterproof.According to the website of the SA Bitumen Association, the shortage started when a fire broke out at the Engen refinery in Durban on October 10.Bitumen production was expected to resume on November 23, but would probably only be readily available in December, said chairperson Phillip Hechter.Baron said other materials, including gravel, were being used as a temp
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