Cov kws tshawb fawb tshawb pom tau pom tias tus naj npawb ntawm cov kab mob ntawm rab chais yog 1,000 npaug ntau dua li cov ntawv sau nyiaj, thiab rab chais phau ntawv muaj feem yuav kis tau cov kab mob ntau dua li rab chais hluav taws xob. Ntxuav rab chais hniav: hloov cov hniav hauv 2-4 lub lis piam, tsis txhob siv cov hniav npub. Yaug ua ntej thiab tom qab siv, thiab feem ntau yuav tsum tau muab tshuaj tua kab mob. Siv cawv thiab dej ntawm qhov sib piv ntawm 7 txog 3 txhawm rau tua cov hniav, uas tuaj yeem tiv thaiv kab mob loj hlob.
