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Isenzo sokwakheka kwamakhemikhali ensimbini
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Izidingo zephakheji yepayipi lensimbi elijikelezayo elinobubanzi obukhulu
Ukuthuthwa kwepayipi lensimbi elijikelezayo elikhulu ububanzi kuyinkinga enzima ekulethweni. Ukuze kuvinjelwe umonakalo wepayipi lensimbi ngesikhathi sokuthuthwa, kuyadingeka ukupakisha ipayipi lensimbi. 1. Uma umthengi enezidingo ezikhethekile zezinto zokupakisha nezindlela zokupakisha ze-spir...Funda kabanzi