Taw qhia:
Lub tshuab no yog siv los sau cov nplaum nplaum rau ntawm qhov chaw tiaj tus.
Daim ntawv thov kev lag luam: dav siv hauv zaub mov, khoom ua si, tshuaj txhua hnub, hluav taws xob, tshuaj, kho vajtse, yas, ntawv sau, luam ntawv thiab lwm yam lag luam.
Daim ntawv lo siv tau: daim ntawv lo, cov ntawv pob tshab, cov ntawv hlau thiab lwm yam.
Daim ntawv thov piv txwv: thawv ntawv, daim npav SD daim ntawv lo, cov khoom siv hluav taws xob siv hluav taws xob, daim ntawv lub thawv ntawv, lub raj mis tiaj tus, daim ntawv lo rau lub thawv dej khov, lub hauv paus lub thawv ntawv thiab lwm yam.
Txheej txheem ua haujlwm:
Muab cov khoom tso rau ntawm lub conveyor los ntawm phau ntawv(lossis tsis siv neeg pub khoom noj los ntawm lwm yam khoom siv) -> khoom xa tuaj -> daim ntawv lo (tsis siv neeg paub los ntawm cov khoom siv)