Phab ntsa vaj huam sib luag tuaj yeem siv tau ob qho tib si raws li cov khoom siv thauj khoom thiab ua cov chav sib faib, thiab yog cov qauv siv ntau tshaj plaws thiab kev lag luam hauv cov tsev nyob.
Phab ntsa vaj huam sib luag yog feem ntau siv nyob rau hauv cov tsev nyob, chav tsev, thiab kuj nyob rau hauv pej xeem vaj tse xws li chaw ua hauj lwm vaj tse thiab tsev kawm ntawv.