Iav wine fwj yeej ib txwm nyiam los ntawm peb raws li cov khoom ntim, uas yog txiav txim siab los ntawm qee tus yam ntxwv ntawm iav cawv fwj. Txawm hais tias lub khob cawv cawv tuaj yeem rov qab siv dua, muaj qee yam uas yuav tsum tau them sai sai rau thaum rov siv dua.
Ua tib zoo tshuaj tua kab mob. Vim nws cov yam ntxwv, lub khob cawv cawv tuaj yeem rov qab siv tau, uas tuaj yeem txo peb cov nqi tsim khoom. Thaum rov siv lub khob cawv txiv hmab, peb yuav tsum tau them sai sai rau cov tshuaj tua kab mob kom txaus, kom ntseeg tau tias yuav tsis muaj teeb meem thaum siv lawv.
Them mloog mus rau kev xaiv ntawm iav wine fwj. Thaum rov siv lub khob cawv txiv hmab, peb yuav tsum tau xyuam xim rau kev xaiv cov iav cawv fwj. Qhov no yog vim qee lub khob iav tsis tiav lossis kev laus vim yog siv rov qab siv dua, yog li muaj qee yam kev phom sij thaum siv lawv.