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Umshini wokufutha we-UV
1. Uhlelo lokudla 1.1 Izingxenye ezintathu ezifaka phakathi isigaba sokuthola ukudla, isigaba sokubuyisa upende nokuhlanza, isigaba sokukhulula izinto zokusebenza. Ibhande lokudla limelana nokugqwala kwe-asidi ne-alkali futhi alimelani nokuklwebheka. Liphinde libe nedivayisi yokulungisa ukuphambuka okuzenzakalelayo kwebhande kanye nendlela yokulwa nokuphambuka. 2. Uhlelo lokuhlanza ibhande 2.1 Ingxenye yokubuyisa nokuhlanza upende isebenzisa ibhande le-PE elimelana ne-alkali elimelana nokugqwala. kanye nesethi yendlela yokubuyisa upende nokuhlanza ibhande ayisebenzi...