(1) Cov duab thaij duab yog ib daim duab thaij duab tshiab uas tuaj yeem tso ncaj qha cov duab uas tsis thas lawv.
(2) Nws siv cov duab zoo nkauj ntawm cov qauv ntawm cov qauv, cov duab xim ntawm cov duab hauv nruab nrab ntawm LCD sab xis, nrog lub hwj huam, kev tawm xov xwm thiab lwm yam khoom, koj tuaj yeem tso ncaj qha (ua si) duab, tib lub sij hawm, nyob rau hauv tib lub thev rau lub voj voog cov duab (playback) ntawm cov duab sib txawv, Npaj ib lub zoo duab yees platform thiab chaw rau cov neeg uas muaj cov duab thiab cov duab ntxiv.
(3) Cov duab ntawm cov duab thaij duab thiab cov duab thaij duab (qhov tseeb, hauv qhov loj thiab cov qauv yog tib yam li cov duab thaij duab yuav ua tau ntau yam), tab sis cov duab thaij duab tsis yog tib yam li cov qauv zoo tib yam los luam tawm cov duab cov duab thiab tom qab ntawd ntsaws rau hauv cov duab thaij Xwb, daim npav nco ncaj qha mus rau hauv lub koob yees duab los yog ncaj qha mus rau cov duab thaij duab tuaj yeem pom tshwm sim nyob rau hauv lub thwj tim tam sim ntawd, thiab nws yuav khaws tau thiab tso saib (ua si) pua pua ntawm lossis txhiab tus duab.
