1

New Step By Step Map For หัวเจียรยาง

maryy825ubi7
The English Chemist Joseph Priestley gave it the title rubber in 1770 when he identified it may be accustomed to rub out pencil marks. Its big industrial achievements arrived only following the vulcanization approach was invented by Charles Goodyear in 1839. Styrene Butadiene Rubber is easily the most utilised rubber Successfully Submitted (Awaiting Approval)
Report this page

Comments

    HTML is allowed

Who Upvoted this Story