Cov qhov rooj hluav taws kub muab ib ncig ntawm kev tiv thaiv-lub moos los pab kom cov neeg tuaj yeem khiav tawm hauv lub tsev kom nyab xeeb thaum muaj hluav taws. Thaum lawv tsis tau raug hu kom txwv kev kis hluav taws thiab muab kev nyab xeeb egress, lawv ua raws li txoj kev taug qab tsis tu ncua.
Peb cov UP-cov txwv thiab daim ntawv lo tua hluav taws Cov rooj sib tham tau muaj nrog cov tshuaj tua hluav taws ntawm 20 txog 120 feeb. Lub qhov rooj zoo tshaj plaws profiles thiab muaj nrog iav loj hlob ib txwm muaj kev saib xyuas zoo nkauj thiab txhawb cov kev xav du. Thiab, vim li cas Gh cov qhov rooj hluav taws tuaj yeem pom cov iav hluav taws uas muaj kev sib txig tsis zoo thiab pom kev zoo rau cov ntaub ntawv xav tau tshaj plaws. Qhib lub qhov rooj mus rau txoj kev tshiab nrog peb cov hluav taws-cov khoom siv hluav taws kub cov khoom siv.
