Yas ntim khoom thiab ntim khoom yas nyob hauv cov zaub mov loj, feem ntau cov khoom lag luam ntim khoom noj, thiab lwm yam khoom lag luam kom huv.
Cov khoom ntim yas yas, uas tuaj yeem ntim cov khoom noj, thiab cov khaub ncaws yas ntim, thiab cov khaub ncaws yas ntim, thiab cov khaub ncaws Yas. Yog li ntawd, cov zaj duab xis yas yuav tsum muaj lub zog dawb dua thiab ntub dej khov kho kom yooj yim los pab cov num luam tawm khov kho, nplaum lossis cov yeeb yaj kiab yas; Hauv cov txheej txheem ntau lawm ntawm cov duab yas ua kom zoo nkauj thiab muaj kev sib txhuam kom tiv thaiv cov yeeb yaj kiab los ntawm kev swb lossis plam; Thaum siv rau cov khoom siv hluav taws xob thiab hluav taws xob ntim khoom, cov yeeb yaj kiab yuav tsum muaj qee yam kev ua yeeb yam ntawm kev siv tshuaj tua kab mob, thiab lwm yam.
