While working at the DuPont chemical company he began to scrounge waste polythene, and then purified and moulded it into cups, bowls and plates. Tupper later founded the Tupperware Plastics Company, and sold it 20 years later for $16 million USD.
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Identify learning gaps and misconceptions with this set of worksheets offering three levels of support
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Identify learning gaps and misconceptions with this set of worksheets offering three levels of support
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