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The Fact About หัวเจียรยาง That No One Is Suggesting

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The English Chemist Joseph Priestley gave it the name rubber in 1770 when he uncovered it could be accustomed to rub out pencil marks. Its major industrial success arrived only after the vulcanization process was invented by Charles Goodyear in 1839. Considerably decreases the time it takes for finishing work. Successfully Submitted (Awaiting Approval)
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