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A Review Of หินเจียรยาง

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The English Chemist Joseph Priestley gave it the title rubber in 1770 when he identified it may be utilized to rub out pencil marks. Its big industrial good results came only after the vulcanization procedure was invented by Charles Goodyear in 1839. All-natural rubber is the sole non-artificial rubber. It's Successfully Submitted (Awaiting Approval)
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