75 feem pua cov ntaub so dej cawv yog qhov me me thiab yooj yim nqa. Lawv tuaj yeem siv rau kev tua kab mob hauv lub cev, uas yog, qhov chaw ntawm cov khoom lossis tib neeg daim tawv nqaij. Piv txwv li, cov tshuaj tua kab mob saum npoo ntawm ntau yam cuab yeej, tshuaj tua kab mob ntawm cov khoom hauv tsev, thiab lwm yam, tuaj yeem nqa hauv lub hnab hauv lub neej txhua hnub. Ib pob ntawm 75 feem pua ntxhiab cawv tuaj yeem muab tshem tawm thiab siv rau qee qhov chaw pej xeem lossis thaum txhais tes qias neeg. Koj tseem tuaj yeem npaj qee qhov 75 feem pua ntawm cawv so hauv tsev, thiab so lawv nrog 75 feem pua cov cawv so tam sim ntawd tom qab rov qab los tsev, thiab ua raws li kev tu tes, yog qhov zoo rau koj tus kheej.
