Cov khoom no tsuas yog cov neeg siv khoom cov ntaub ntawv tso tawm, tsis yog muag, thiab siv xwb.
Txais tos rau peb nplooj ntawv hlau fabrication.Peb mob siab rau muab cov khoom zoo ntawm cov ntawv hlau kom tau raws li koj qhov kev xav tau tshwj xeeb.Ntawm no yog cov lus qhia luv luv rau peb cov txheej txheem kev tsim cov ntawv hlau, cov tshuab uas peb siv, peb cov txheej txheem xaiv cov khoom, thiab peb ua li cas peb ua kom peb cov khoom zoo.