Txawm hais tias cov hlau hoses tuaj yeem ua kom ncab thiab ncab, lawv tuaj yeem tsoo sai thiab txo lawv lub neej kev pabcuam yog tias lawv tsis ntsia rau hauv qhov tseeb.
Lub qhov dej tuaj yeem ntsia tau tav toj lossis ntsug lossis kab pheeb ces. Cov kev mob zoo tshaj plaws yog kev teeb tsa ntsug, thiab yuav tsum zam kom ze ntawm lub log. Yog tias tsim nyog, tuaj yeem ntxiv ib qho baffle.
