Canvas yog ib qho hnyav ntawm cov ntaub-npog-siv cov ntaub siv rau ua cov nkoj, cov tsev pheebsuab, marquees, hnab ev khoom, thiab lwm yam khoom uas ua kom muaj kev tawv ncauj.

Nws tseem tseem siv tau los ntawm cov kws ua yeeb yam raws li txheej txheem pleev xim, feem ntau ncab dhau ntawm ntoo ntoo.

Nws kuj tseem siv rau hauv kev zam khoom xws li lub hnab tes, cov khoom siv hluav taws xob thiab cov khau.