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Zinyalala zotayika
Chikhalidwe chotayika machubu chimayala machubu oyesera a labotale opangidwa ndi galasi labwino kwambiri la borosilthete. Machubu awa amagwiritsidwa ntchito pofufuza zasayansi, labotale yamankhwala, ndi makonda a mafakitale kuti azichita nawo chikhalidwe cha maselo, kusungidwa kwachitsanzo, komanso kumachitika mankhwala. Kugwiritsa ntchito galasi la ma borosiltil kumatsimikizira kuchuluka kwa mafuta ochulukirapo komanso kukhazikika kwamankhwala, ndikupangitsa kuti chubu choyenera kugwiritsa ntchito mitundu ingapo. Pambuyo pa ntchito, kuyesa machubu ambiri kumatayika kuti alepheretse kuipitsidwa ndikuwonetsetsa zoyeserera zamtsogolo.
