Kev suav ntawm qhov cua qhov cua ntim thiab xaiv cov khoom siv hauv Tunneling siv (6)

6. Kev tswj xyuas kev nyab xeeb

6.1 Thaum siv xovxwm-hauv qhov cua, lub hau tiv thaiv yuav tsum tau muab tso rau ntawm qhov cua nkag ntawm lub tshuab cua kom tiv thaiv cov khaub ncaws, ntoo sticks, thiab lwm yam los ntawm kev nkag mus rau hauv kiv cua thiab ua rau neeg raug mob.

6.2 Lub tshuab ua pa yuav tsum tau nruab nrog lub ntsej muag kom tiv thaiv lub tshuab ua pa kom tsis txhob ntub los ntawm cov dej nag, uas tuaj yeem ua rau hluav taws xob raug mob lossis luv luv.

6.3 Nyob rau hauv cov ntaub ntawv ntawm lub qhov hluav taws xob qhov hluav taws xob, lub qhov hluav taws xob ntawm lub qhov hluav taws xob qhov hluav taws xob yuav tsum tau dai kom nruj kom tsis txhob lub qhov hluav taws xob ntawm lub qhov hluav taws xob qhov hluav taws xob ntawm lub qhov hluav taws xob qhov hluav taws xob ntawm lub qhov hluav taws xob qhov hluav taws xob ntawm lub qhov hluav taws xob ntawm lub qhov hluav taws xob qhov hluav taws xob ntawm lub qhov hluav taws xob ntawm lub qhov hluav taws xob qhov hluav taws xob ntawm lub qhov hluav taws xob qhov hluav taws xob.

 


Post lub sij hawm: May-31-2022