Lub zog noj ntawm qhov zoo thiab tsis zoo siab plastering tshuab yog txo los ntawm 6%, cov khoom yog 15%, txoj haujlwm yog 28%, cov zis yog siab, cov qoob loo yog siab, qhov tsis huv yog qhov zoo (txo tsawg cov pa phem) , cov nroj tsuag tau txais kev cawmdim, thiab qhov muaj peev xwm ua tau yog cov khoom siv tsis zoo. 2 mus rau 5 zaug.