Iindaba
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Isenzo sokwakheka kweekhemikhali kwintsimbi
1. Ikhabhoni (C). Ikhabhoni yeyona nto ibalulekileyo yekhemikhali echaphazela ukuguquka kwentsimbi ebandayo ngeplastiki. Okukhona umxholo wekhabhoni uphezulu, amandla entsimbi aphezulu, kunye nokuncipha kweplastiki ebandayo. Kuye kwabonakaliswa ukuba xa kukho ukunyuka kwe-0.1% kumxholo wekhabhoni, amandla emveliso ayanda...Funda ngokugqithisileyo -
Iimfuno zephakheji yombhobho wentsimbi ojikelezayo omkhulu ububanzi
Ukuthuthwa kombhobho wentsimbi ojikelezayo omkhulu ngumba onzima ekuhanjisweni. Ukuze kuthintelwe umonakalo kumbhobho wentsimbi ngexesha lokuthuthwa, kuyimfuneko ukupakisha umbhobho wentsimbi. 1. Ukuba umthengi uneemfuno ezizodwa zezinto zokupakisha kunye neendlela zokupakisha ze-spir...Funda ngokugqithisileyo