Khoom noj khoom haus / zaub mov ntim kev lag luam
Gases yog siv dav hauv cov khoom noj. Hais txog kev ntim khoom, nws tuaj yeem tiv thaiv cov zaub mov los ntawm oxidative deterioration thiab ua lub luag haujlwm hauv kev ua kom tshiab. Tsis tas li ntawd, cov pa roj carbon dioxide, uas yog cov khoom siv tseem ceeb ntawm cov dej sparkling, tuaj yeem txhim kho cov saj ntawm cov dej qab zib, uas yog ib qho ntawm cov laj thawj vim li cas ntau tus neeg yuav cov tshuab hluav taws xob hauv tsev.