Nrog daim ntawv thov ntawm pob zeb diamond hlau txiav, PERC, MWT, dub silicon, shingled thiab lwm yam thev naus laus zis, lub zog thiab ua haujlwm ntawm cov hnub ci vaj huam sib luag tau txuas ntxiv nce, tab sis tus nqi ntawm kev ua liaj ua teb hnub ci tsis zoo. Nws yog qhov tsim nyog los txhawm rau kho kom zoo raws qhov tsim tawm raws li cov kab ke los txhawb qhov tseem ua tau ntawm parity.
