"A polyester reinforcement at the core with probably a polythene layer around that, " Garvey said.

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In 2008 the Ugandan government announced that it was considering a ban on the use of polythene plastic bags.

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Instead, little white markers cut out of polythene bags are still planted along the narrow rubble lane to the cemetery.

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As fuel it uses liquid nitrous oxide and solid polythene plastic.

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