Ikhoyili yensimbi engagqwali engu-316: ukumelana nokugqwala okuhle kakhulu namandla okushisa aphezulu, ingasetshenziswa ngaphansi kwezimo ezinzima, ukuqina komsebenzi omuhle, okungewona uzibuthe.Ifanele imishini yamanzi olwandle, i-chemistry, odayi, ukwenza iphepha, i-oxalic acid, imishini yokukhiqiza umanyolo, ukuthwebula izithombe, imboni yokudla, c...
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