Awọn ohun elo aise ti ṣiṣu jẹ resini sintetiki, eyiti o fa jade ati ti iṣelọpọ lati inu epo epo, gaasi adayeba tabi fifọn edu.Epo, gaasi ayebaye, ati bẹbẹ lọ ti jẹ jijẹ sinu awọn agbo ogun Organic molikula kekere (bii ethylene, propylene, styrene, ethylene, ọti-waini, ati bẹbẹ lọ), ati molikula kekere…
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