Ntugharị ntụgharị nke vitamin E / Tropherol
●E nwere mbepụ na-emebi emebi site na ịgbakwunye methanol na ihe nchọpụta.
●Mgbe emechara mmeghachi omume ahụ rụchara, a na-ewepụ methanol oke site na distillation, mmiri na-asacha.
●Stasi na-eme ihe na mmiri nke effex
●ISELAtion nke schools site na kefriza
●Ime ka ọ dị ọcha site na ọtụtụ mkpirisi.
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Dee ozi gị ebe a ma zigara anyị ya