OMT cov dej khov nab kuab tau muag zoo thoob plaws ntiaj teb, peb muaj ntau lub cav khov nab kuab pov thawj hauv Africa, xws li Nigeria, Ghana, Kenya, Tanzania, Zimbabwe thiab South Africa thiab lwm yam, thiab cov neeg siv khoom hauv UK, America, South East Asia thiab lwm yam. kom taug qab thiab tshawb xyuas cov kev pabcuam thiab cov lus pom zoo ntawm cov neeg siv khoom rau cov tshuab ua dej khov. Peb niaj hnub txhim kho qhov zoo thiab kev ua haujlwm ntawm peb cov khoom thiab ntxiv dag zog rau kev tswj hwm pab pawg, hais kom noj cov khoom zoo thiab kev pabcuam ua ntej.