Lub tshuab ziab khaub ncaws yog cov cuab yeej siv hluav taws xob uas siv cov cua sov kom vaporize thiab tshem tawm cov dej noo (feem ntau yog dej los yog lwm yam dej tsis haum) los ntawm cov khoom, yog li tau txais cov khoom siv nrog cov ntsiab lus noo noo. Nws yog ib hom khoom siv tshuab siv los ua kom tiav cov txheej txheem ziab ntawm cov ntaub ntawv.
Cov tshuab ziab khaub ncaws niaj hnub no pib siv cov khoom siv ua haujlwm -kev ua haujlwm ruaj khov- lub tshuab ziab khaub ncaws. Kev siv cov tshuab ziab khaub ncaws hauv nruab nrab xyoo pua 19th tau cim kev txhim kho ntawm cov tshuab ziab khaub ncaws los ntawm kev ua haujlwm tas mus li. Cov khoom lag luam feem ntau xav kom ziab ntawm qee theem ntawm kev tsim khoom, thiab cov ntaub ntawv xav tau cov ntsiab lus noo noo tshwj xeeb rau kev ua, shaping, lossis granulation. Cov tshuab ziab khaub ncaws tuaj yeem raug cais raws li cov yam ntxwv sib txawv xws li cov txheej txheem kev khiav hauj lwm, kev khiav hauj lwm siab, cua sov txoj kev, txav ntawm cov ntaub ntawv ntub dej, lossis cov qauv.
