NTAU CARBONLESS FORMS

Ua tsaug rau qhov nce ntawm cov thev naus laus zis thev naus laus zis, lub ntiaj teb tau dhau los ua tsawg dua nyob ntawm daim ntawv.Tib neeg feem ntau ua lawv txoj kev lag luam niaj hnub ntawm laptops, khoos phis tawj thiab xov tooj ntawm tes.Txawm li cas los xij, ntau qhov kev lag luam tseem xav tau thiab siv cov ntawv tsis muaj cov ntawv carbonless vim lawv ntseeg tias cov ntawv tsis muaj carbon yog qhov kev xaiv ruaj khov thiab siv tau.

Peb cov ntawv luam tawm tsis muaj carbon yuav siv tau ntau yam.Lawv tuaj yeem siv los tsim cov ntaub ntawv kho mob, cov ntaub ntawv them nqi, daim pib nres tsheb, cov ntawv ntim khoom, cov ntawv pov hwm, daim ntawv thov kev pabcuam, daim nqi thauj khoom, daim ntawv kwv yees, daim ntawv txais nyiaj, daim ntawv thov, daim ntawv thov, daim ntawv xaj xaj, daim ntawv xaj muag, thiab ntau.