Txawv txawv

Cov cwj mem ib nrab ntawm cov ntawv ntub dej ntub ua rau nws tsim nyog rau kev tsim cov cim ntev. Thaum cov cim qhuav qhuav yog qhov tsim nyog rau kev hloov pauv sai ntawm cov cim ib ntus.

Cov cim ntub dej ntub dej yog qhov zoo tagnrho thaum koj xav tau tus cim uas tsis tas mus li, tab sis kav ntev dua li cov cim qhuav qhuav. Cov cim no yog semi-permanent. Lawv tsis tuaj yeem muab tshem tawm kom txog thaum koj siv daim ntaub ntub dej lossis daim ntawv so tes los so tus cwj mem.

Cov cim tsis tu ncua yuav tsis pom ntawm daim ntawv tsaus, tab sis cov cim acrylic tuaj yeem kos rau ntawm daim ntawv tsaus, pob zeb, thiab ntau yam khoom siv.

Yog lawm, daim ntawv cim whiteboard thiab cov cim qhuav qhuav yog tib yam vim tias lawv yog ob qho tib si tshwj xeeb cwj mem tsim los rau cov ntawv dawb thiab siv cov cwj mem tsis muaj tshuaj lom uas tuaj yeem yooj yim so.

Qhov sib txawv tseem ceeb ntawm cov cim chalk thiab cov xim pleev xim yog cov xim pleev xim yog qhov ruaj khov, thaum cov cim chalk yog ib nrab nrog ntau xim xaiv thiab ua tiav. Txawm hais tias cov xim pleev xim yog ib qho kev xaiv nrov, chalk markers yog ib qho kev xaiv yooj yim.

Lub cim yog ib qho cuab yeej sau ntawv siv los ua cov ntsiab lus ntau qhov muag pom, thaum lub ntsiab lus yog siv los hais txog cov ntawv sau.

Qhuav erase markers thiab whiteboard markers yog qhov tseem ceeb tib yam. Ob hom cim yog tsim los siv rau ntawm cov ntawv dawb.