Kev tshuaj ntsuam luam ntawv tsis yog tsuas yog haum rau kev luam ntawv nkaus xwb, tab sis kuj muaj ntau yam kev hloov pauv tau. Piv txwv: ceramics, iav, luam tawm Circuit board, thiab lwm yam. Txawm hais tias txhua koob muaj kev sib cais tsis sib xws hauv kev sib raug zoo, lawv muaj lawv tus kheej tshwj xeeb vim yog cov txheej txheem sib txawv (piv txwv li cov tshuaj sib txawv thiab lub cev sib txawv). Yog li ntawd, nws feem ntau tau faib ua ob peb pawg raws li cov txheej txheem sib txawv: ntawv luam ntawv, luam ntawv yas, luam ntawv ceramic, luam ntawv iav, luam ntawv Circuit Court, luam ntawv hlau, luam ntawv textile thiab lwm yam. Yog li, tsim cov txheej txheem luam ntawv ywj pheej.
