Lub thawv lim yog siv rau kev lim cua hauv qhov cua thiab cua txias tshuab.Cov thawv lim hauv kab hauv kab muaj qhov yooj yim qhib npog nrog yooj yim tso tawm cov clips, ua kom muaj kev hloov pauv sai thiab yooj yim ntawm cov khoom lim.Peb cov txheej txheem lim ducting lub thawv muaj kom haum qhov ntau thiab tsawg ntawm 100mm mus rau 200mm txoj kab uas hla.Hepa lim Zoo thaiv ntau tshaj 96% ntawm cov kab mob.