Raws li cov kev cai tsim nyog hauv lub teb chaws, cov khoom pov tseg huv pov tseg cov khoom lag luam tsim tawm los ntawm cov tuam ntxhab yuav tsum muaj" tshem tawm tus qauv" ntawm cov koom haum saib xyuas kev noj qab haus huv saum xeev qib, txwv tsis pub lawv tsis pub muag nyob rau tom khw. Cov ntawv hauv tsev neeg tsis muaj cuab kav siv tsis tau thaum noj mov. Lawv muaj cov qauv sib txawv hauv cov khoom nyoos, kev nyiam huv thiab zoo. Piv txwv li, cov ntaub so ntswg ntau lawm Rhiav yuav tsum tau tua kab mob thiab cais tawm ntau lawm raws li tus qauv ntawm cov khoom siv pov tseg raws li qhov yuav tsum tau ua, thaum lub tso zis tso zis ntau lawm rhiav tsis muaj qhov tshwj xeeb xav tau. Ib qho ntxiv, cov ntaub so tes yuav tsum tau muab ntim ib qho zuj zus kom ntseeg tau tias lawv nyob cais tawm hauv ntiaj teb sab nraud los ntawm kev xa mus rau siv. Cov ntaub so quav feem ntau tuaj yeem ntim khoom; Cov ntaub so ntswg tsuas txwv tag nrho cov naj npawb ntawm cov kab mob, thiab cov ntaub so tes yuav tsum txwv tus naj npawb ntawm txhua hom kab mob.
(Xws li: cov ntawv yob - ntaub hoob nab, ntawv chav ua noj, thiab lwm yam) Daim ntawv yob nrog cov ntaub ntawv tsis zoo yog feem ntau ua los ntawm kev ntaus cov ntawv pov tseg, ntawv xov xwm, thiab lwm yam. ntawm cov phau ntawv qub thiab ntawv xov xwm qub, yuav tsum tsis pub muaj ntau tshaj 600 tus kab mob hauv 100 grams ntawv, tab sis qee cov ntawv lag luam yob tsis tau raws li tus qauv no.