Cov khaub ncaws tau muab tais, sau npe, qhov loj me, thiab ntim raws li cov neeg siv khoom thov hauv cov kauj ruam kawg ntawm kev npaj cov khoom. Cov khaub ncaws kev cai yog ces manually los yog cia li ntim rau hauv cov hnab yas tiv thaiv nrog koj lub logo kom nws huv si thiab nias thoob plaws kev xa khoom. Thaum kawg, cov tsoos tsho tau ntim thiab xa mus rau tus neeg yuav khoom hauv cov thawv ntawv.