Isihluthulelo sokuthuthukisa ukusebenza kwengilazi okungaqhumi ukunciphisa amandla omthelela angaphandle, okufezwa ngokuyinhloko ngezici ezimbalwa.:
1 Ukusebenzisa isendlalelo sokunamathisela kanye nokunameka kwensimbi ukuze kuthuthukiswe ukuqina kwengilazi, okusiza ukusabalalisa amandla omthelela endaweni yonke. Izinsimbi ziyaziwa nge-ductility yazo enhle nokuqina, ngakho ukugqoka kwensimbi kungasusa ngempumelelo futhi kuhlakaze umthelela. Ngisho noma ingilazi iphahlazeka, insimbi engaphakathi kwefilimu yengilazi ikhiqiza amandla aqinile futhi, kanye nongqimba olunamathelayo, ibamba izingcezu zengilazi endaweni yazo, izivimbele ukuba zingaqhekeki futhi ziqinisekise ngempumelelo ukuphepha komuntu siqu nempahla.
2 Ngokuvumela izinhlayiya eziyingqayizivele ezingaphakathi kwe-interlayer yefilimu ukuthi zishibilikele zodwa, ihlakaza amandla omthelela adluliswa ngengilazi aye kufilimu yezokuphepha, inikeze isivimbeli ngokumelene nemithelela eminingi futhi idale ukumelana komthelela okuyingqayizivele. Ngaphezu kwalokho, uma ifilimu inamathela isikhathi eside, isibopho phakathi kwefilimu nengilazi siba namandla. Kulinganiselwa ukuthi lokhu kungathuthukisa amandla engilazi izikhathi ezingu-2-7, kuvimbele ngempumelelo ingilazi ukuthi ingaphahlazeki futhi ibangele ukulimala ngenxa yemithelela yangaphandle.
3. Izinto eziyinhloko ezihlanganisa ifilimu, ifilimu esekelwe ku-polyester, yaziwa ngokuphikisana nokushisa, ukuqina, ukuqina okuphezulu, ukumelana nomswakama, nokumelana nokushisa okukhulu. Ingakwazi ukumunca kakhulu amandla omthelela wangaphandle, ifinyelele umphumela wokuphepha.