Kev ceev faj rau kev tshem cov daus
1. Cov khoom mos xws li mops thiab rags yuav tsum tau siv los ntxuav cov daus kom tsis txhob muaj cov khoom ntse los ntawm khawb iav.
2. Nws tsis raug tso cai rau ncuav dej kub rau saum npoo ntawm lub roj teeb vaj huam sib luag. Qhov tsis sib xws ntawm qhov txias thiab cua sov yuav ua rau lub ntsej muag ntawm lub roj teeb puas.
3. Tsis txhob txav ntawm cov khoom kom huv si. Cov Cheebtsam muaj qee qhov kev xav tau ntawm cov kabmob, uas tuaj yeem ua rau tawg lossis puas tsuaj rau cov khoom thiab cuam tshuam rau lub neej ntawm cov khoom.
4. Tsis txhob tos kom cov daus tuab heev ua ntej ntxuav, txhawm rau tiv thaiv cov khoom kom tsis txhob khov thiab ua kom qhov nyuaj ntawm kev ntxuav.
5. Cov daus yuav tsum tau muab tshem tawm kom huv. Tsis txhob underestimate strips ntawm daus. Cov kab txaij ntawm cov daus yuav tsim ib daim thaiv npog saum toj ntawm cov khoom, ua rau poob ntawm lub zog tsim ntawm tag nrho cov hlua.
6. Thaum tshem cov daus, cov neeg ua haujlwm yuav tsum tau ua tib zoo saib xyuas lawv tus kheej kev nyab xeeb, thiab hnav cov kaus mom kev nyab xeeb thaum ua haujlwm ntawm qhov siab; them sai sai rau kev tiv thaiv kev nplua nyob rau hauv cov hnub snowy, thiab nteg nyom mats, anti-skid lev thiab lwm yam ntaub ntawv nyob rau hauv reserved txij nkawm channel