Carbonless Nyiaj Sau Npe Daim Ntawv Yob
Cov Ntawv Sau Nyiaj Zoo Tshaj Plaws 57mm thiab 80mm Computer Sau Nyiaj Sau Ntawv Sau Ntawv
Carbonless ntawv yog ib daim ntawv tshwj xeeb uas tsis muaj cov ntsiab lus carbon, uas tuaj yeem luam tawm thiab sau tsis siv tus cwj mem lossis toner.Cov ntawv tsis muaj cov pa roj carbon monoxide yog ib puag ncig zoo, kev lag luam thiab siv tau zoo, thiab siv dav hauv kev lag luam, kev tshawb fawb, kev kawm, kev kho mob thiab lwm yam haujlwm.