1.Isekela ukushaja kwezimbobo eziningi ngesikhathi esisodwa, yanelisa amadivaysi amabili ngesikhathi esisodwa.
2.I-convex eyenziwe ngomshini nokuzwakala kwe-concave, okubonakalayo okunengqimba kanye nomuzwa wokubamba okungasheleli
I-3.Inqubo ye-Aluminium alloy metal oxidation, ukuthungwa kwe-super metallic, izinga lokushisa eliphansi kuyo yonke indawo, ukuguquguquka okuphezulu kwe-thermal
4.I-chip ehlonzayo ehlakaniphile, ishaja ngokuvikela ukushaja nokuvikela ngaphezu kwezinga lokushisa ngesikhathi esifanayo