Kev mob siab rau kev tswj hwm nruj thiab kev xav zoo rau cov neeg siv khoom, peb cov neeg ua haujlwm paub txog ib txwm muaj los tham txog koj cov kev xav tau thiab ua kom tag nrho cov neeg siv khoom txaus siab.
Peb cov khoom tseem raug xa tawm mus rau cov neeg siv khoom hauv cov tebchaws thiab thaj chaw xws li Oceania, Western Europe, Africa thiab Northern America.