Tsis tas yuav nruab qhov rooj ze ze ntawm cov rooj thaj, thiab cov chav nyob nyab xeeb yog siv los ua lub qhov rooj hauv tsev tsis muaj cov cai.
Chav kev nyab xeeb tsis tas yuav muaj qhov rooj kev nyab xeeb rau cov laj thawj hauv qab no:
1. Lub qhov rooj los ze zog yog tsim nyog rau pej xeem cov nqe lus thiab tuaj yeem paub tias cov qhov rooj tua hluav taws raug kaw thaum lub sijhawm tiv thaiv kev kis hluav taws thiab pa taws. Txhua tsev neeg nyob hauv lub tsev lub tsev nyob yog chaw tiv thaiv dej tua hluav taws, thiab chaw sab hauv tau txwv.
2. Thaum muaj xwm ceev Cov rooj hluav taws kub nrog lub qhov rooj kaw yog qhov teeb meem hauv kev siv txhua hnub, yooj yim rau kev puas tsuaj, thiab dhau los ua kev puas tsuaj.
Hauv cov ntsiab lus, UL sau npe cov hluav taws kub lub qhov rooj ntawm chav ruaj ntseg tuaj yeem ntsia tau yam tsis muaj lub qhov rooj kaw, tab sis lub ntsuas hluav taws kub uas ua tau raws li cov cai yuav tsum tau siv.
