Dab Tsi Yog Cov Ntawv Ntawm Cov Khoom Txee Txee
Sep 10, 2021
Cov txee feem ntau koom nrog ob yam, cov txee thiab cov qhov rooj. Cov txee feem ntau muab faib ua cov pob zeb dag thiab pob zeb quartz (hais lus nruj me ntsis, pob zeb quartz kuj tseem yog cov khoom sib xyaw ua ke). Tam sim no, quartz pob zeb yog lub hauv paus tseem ceeb, muaj qhov nyuaj, ua kom kub siab, thiab ntom ntom ntom ntom. Pob zeb dag tau muaj cov tshuaj acrylic thiab muaj cov yas zoo, yog li nws feem ntau yog siv rau kev tsim cov duab zoo nkauj thiab lwm qhov chaw uas xav tau kev tsim qauv. Lub rooj tsavxwm tseem ceeb ntawm lub qhov rooj vaj huam sib luag raug tsau, feem ntau yog cov laug cam. Kev faib tawm ntawm lub qhov rooj qhov rooj feem ntau yog nyob ntawm daim ntawv npog. Yog tias nws yog lub rooj thaiv hluav taws uas tau npog, nws hu ua lub rooj thaiv hluav taws. Yog tias nws tau npog nrog zaj duab xis yas, nws hu ua blister board. UV pleev xim, ci cov kua roj vanish, thiab lwm yam, thiab cais kev cais tawm yog cov khoom siv tawv ntoo, feem ntau yog rau qib siab.
