Makampani ambiri akulimbana ndi vuto la magawo omwe amamatira ku nkhungu za jakisoni pomwe akuyenera kuchotsedwa.Kupaka kwa vacuum kumathetsa vutoli.Zigawo zimapangika mosavuta kuchokera ku nkhungu zophimbidwa ndi filimu, zomwe zimapangitsa kuti ntchitoyo ikhale yabwino.M’mawu ena, zimapulumutsa nthawi ndi ndalama.Chikombolecho chimakhalanso chotheka kusungidwa mkati mwazomwe zili ndi vacuum coating.
Nthawi yotumiza: Jun-13-2022