Raws li tib neeg qhov kev thov rau lub khob cawv txiv hmab tau nce zuj zus, tib neeg cov kev xav tau zoo rau lub khob cawv txiv hmab kuj tau nce siab thiab siab dua, yog li peb yuav tsum xyuam xim rau dab tsi thaum xaiv cov iav wine fwj raw khoom? Luv luv tham txog kev ceev faj rau kev xaiv iav wine fwj raw cov ntaub ntawv.
Ua tib zoo xaiv cov khoom zoo raw khoom. Txij li thaum muaj ntau yam khoom siv raw rau iav fwj, tab sis qhov zoo sib txawv heev, nws yog ib qho tsim nyog yuav tsum tau ua tib zoo xaiv cov khoom siv raw zoo thaum tsim cov iav fwj, thiaj li ua kom ntseeg tau tias yuav tsis muaj teeb meem zoo hauv kev tsim cov iav wine fwj Nws kuj tseem tuaj yeem txuag cov nqi tsim khoom.
Xaiv los ntawm ntau yam additives. Thaum tsim cov iav cawv fwj, cov khoom sib txawv yuav tsim cov iav zoo sib txawv. Thaum siv cov khoom siv ntxiv, lawv tuaj yeem siv tau raws li qhov xav tau ntawm cov neeg siv khoom, kom qhov zoo ntawm lub khob cawv txiv hmab uas tsim tau tuaj yeem ua rau cov neeg siv khoom txaus siab.