Peb cov kab tawm ncaj qha muaj lub pob ntsia hlau thiab cov txiv ntoo, daim npav taw qhia thiab cov kabmob thaiv, txhuas sab nraud thiab lwm yam. Peb muaj ntau hom kev tsim tawm txawv txawv, thauj khoom thiab qhov tseeb. Thiab cov theem ntawm cov kab swb muaj ntau txoj kev sib txoos, tuaj yeem txav mus rau X, Y, Z axis. Yog tias koj xav siv peb cov khoom, thov koj xav mus nug.
