Panthawi yopangira nkhungu yothamanga, kutentha kwa pulasitiki kumayendetsedwa bwino mu othamanga.Pulasitiki imatha kulowa m'mabowo munjira yofanana, zomwe zimapangitsa kuti pakhale magawo abwino kwambiri.Zigawo zomangira zothamanga zotentha zimakhala ndi chipata chabwino, kupsinjika kotsalira kotsalira pambuyo pakugwetsa, ndikusintha pang'ono kwa magawo.Zogulitsa zambiri zapamwamba pamsika zimapangidwa ndi nkhungu zothamanga zotentha.

Popeza tungsten-molybdenum ndi zida zake za alloy zimakhala ndi matenthedwe apamwamba kwambiri, mphamvu zotentha kwambiri, kukana kuyandama, kukana kuvala, komanso kukana kwa dzimbiri, ndi zida zoyenera kupanga ma nozzles otentha pazida zomangira jekeseni monga makina opangira jakisoni.