Ptt 大爆卦 | Tea dregs - 前往 https://www.undip.ac.id/language/en/post/22400/undip-vocational-school-students-developed-covid-19-antiseptic-soap-from-tea-dregs.html

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UNDIP Vocational School Students Developed Covid-19 ...

This soap made from tea dregs, named Polytea, can kill the corona virus that causes Covid-19. The innovations carried out by Mahendra Farih ...

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