Kev Siv Thiab Kev Kho Cov looj tsom iav dub

1. Cov looj tsom iav dub tshiab yuav tsum tau hloov kho los ntawm cov neeg ua haujlwm thiab sab laug tom qab hnav kom zoo. Thaum kaw daim iav, thov khi lub tuam tsev sab laug ua ntej.
2. Thaum hnav thiab tshem cov tsom iav, thov tuav lub tuam tsev ntawm ob txhais tes thiab tshem tawm ntawm pem hauv ntej.
3. Thaum tsis siv, qhwv nws nrog ib daim ntaub ntxuav thiab muab tso rau hauv ib lub hnab tshwj xeeb los tiv thaiv lub lens thiab thav duab kom tsis txhob khawb los ntawm cov khoom tawv los yog nyem rau lub sijhawm ntev.
4. Yog hais tias lub thav duab los yog lo ntsiab muag muaj cov plua plav, hws, roj, tshuaj pleev ib ce, thiab lwm yam, thov ntxuav nws nrog dej sov nrog cov tshuaj ntxuav tes, thiab tom qab ntawd qhuav nrog ntaub mos muag.
5. Nws yog txwv tsis pub soak hauv dej kom ntev, tsau hauv dej lossis muab tso rau hauv qhov chaw ruaj khov kom raug tshav ntuj; Nws yog txwv tsis pub muab tso rau ntawm ib sab ntawm cov hluav taws xob tam sim no lossis hlau rau lub sijhawm ntev.
6. Plate looj tsom iav dub tej zaum yuav me ntsis deformed tom qab siv rau ib lub sij hawm los yog sab laug rau ib lub sij hawm. Qhov no yog qhov tshwm sim ib txwm muaj thiab txiav txim siab los ntawm cov khoom ntawm cov khoom siv phaj. Koj tuaj yeem mus rau tom khw muag khoom kom kho tus ncej thiab rov ua dua tshiab.
7. Kev saib xyuas kom zoo thiab mob siab rau koj lub tsom iav tuaj yeem siv sijhawm ntev.