Ib qho ntawm cov khoom lag luam tsis tshua paub hauv kev tiv thaiv hluav taws yog qhov hluav taws kub qhov rooj thawb pas nrig. Hluav taws xob lub qhov rooj xauv qhov rooj xauv qhov rooj yog qhov siv hluav taws xob nkag, uas yog siv dav hauv khw muag khoom, tsev loj, tsev thiab lwm qhov chaw muaj neeg coob. Nws tsis tas yuav raug kaw lossis qhib, nws tuaj yeem tiv thaiv tub sab nyiag thiab tuaj yeem nkag mus thiab tawm tau dawb, muab kev tiv thaiv kev ruaj ntseg 24-teev txhua hnub.