Kub vuam vuam, tseem hu ua kub cua vuam, yog cov txheej txheem yas vuam siv cov txheej txheem kub. Ib rab phom kub tsim tshwj xeeb, hu ua lub tshuab ua cua kub, tsim cov dav hlau ntawm cov cua kub uas muag muag ob qho tib si kom tau sib koom thiab cov yas muab tub lim, txhua qhov yuav tsum yog ib qho los yog cov yas zoo sib xws. (Vuam PVC rau acrylic yog muaj kev zam rau txoj cai no.)
Cov pa roj cua kub / cov pa roj vuam yog cov txheej txheem kev tsim muaj rau kev tsim cov khoom me me xws li tso tsheb hlau luam tshuaj, dej tso tsheb hlau luam, cua sov sib hloov, thiab cov kav dej.
Nyob rau hauv cov ntaub ntawv ntawm webs thiab films ib tug muab tub lim yuav siv tsis tau. Ob txheej ntawv yas yog rhuab los ntawm cov roj kub kub (lossis cua sov) thiab tom qab ntawd muab sib dhos ua ke. Qhov no yog txheej txheem vuam ceev thiab tuaj yeem ua txuas ntxiv.
