Graphite tuaj yeem siv ua cov xaum xaum, xim, polishing tus neeg sawv cev, tom qab kev ua haujlwm tshwj xeeb, tuaj yeem ua los ntawm ntau yam khoom tshwj xeeb, siv hauv kev lag luam cuam tshuam nrog. Yog li dab tsi yog qhov siv tshwj xeeb ntawm graphite hmoov? Nov yog kev tshuaj xyuas rau koj. Graphite hmoov muaj tshuaj zoo ruaj khov. Ston ...
Nyeem ntxiv