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If John Hyatt hadn´t invented the plastic, the ivory hadn´t been substituted.
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If John Hyatt hadn´t invented the plastic, many of things would be heavier.
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If John Hyatt hadn´t invented the plastic, the syringes still would be metallic.
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If John Hyatt hadn´t invented the plastic, the elephants would be extinct.
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If John Hyatt hadn´t invented the plastic, the furniture would be more artistic.
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If John Hyatt hadn´t invented the plastic, the kids still would play more soccer.
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If John Hyatt hadn´t invented the plastic, the bags wouldn´t be dispotables.
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If John Hyatt hadn´t invented the plastic, the technology hadn´t advanced so fast.
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If John Hyatt hadn´t invented the plastic, we would have less need to buy.
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If John Hyatt hadn´t invented the plastic, the contamination, at the time, wouldn´t be so big.
