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1. Ukuzinza kwamakhemikhali:
Iyakwazi ukubekezelela amakhemikhali afana nama-asidi nama-alkali futhi ayigqwali kalula. Igcina ukusebenza kahle futhi ngeke ilinyazwe ukugqwala kwe-asidi ne-alkali.
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2. Indawo ebushelelezi:Indawo ebushelelezi ivumela umusi ukuba usakazwe ngokulinganayo endishini yokupheka, okusiza ukuthuthukisa ukusebenza kahle kokupheka, kuqinisekisa ukuthi ukudla kushisa ngokulinganayo, futhi kunambitheka kangcono.
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3. Kusetshenziswa kabanzi:Inezinhlobo ezahlukene zokusetshenziswa embonini yokupheka isitimu futhi isetshenziswa kabanzi emishinini yesimanje yasekhishini efana nezishishi zelayisi nezitimu.
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4. Ihambisana nemvelo futhi inempilo:Ayinabuthi futhi ayinambitheki, ihlangabezana nokuphishekela kwabantu besimanje ukuvikelwa kwemvelo nempilo enempilo. Ayikhiphi izinto eziyingozi, iqinisekisa ukuhlanzeka nokuphepha kokudla okuphekiwe.