Insimbi engagqwali isho ukumelana nokugqwala komoya, umusi, amanzi nokunye okubuthakathaka okucekela phansi, kanye ne-asidi, i-alkali, usawoti kanye namanye amakhemikhali aqoshwe ukugqwala okuphakathi kwensimbi, eyaziwa nangokuthi insimbi engagqwali engamelana ne-asidi. Yayisetshenziswa kabanzi ezindaweni ezahlukahlukene, okuhlanganisa ibhilidi, i-tableware, indlu...
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