Cov xwm txheej ib puag ncig rau cov rooj zaum tawv thiaj tau moldy:
## Cov khoom ua los ntawm tawv feem ntau raug cuam tshuam heev los ntawm kev loj hlob ntawm mold thiab yeast hauv cov xwm txheej qhuav, av tsiaj thiab qhov kub siab. Kev loj hlob ntawm mold ntawm tawv yuav ua rau tawv poob nws qhov ci ntawm qhov tsawg, thiab cov enzymes uas mold tso tawm yuav rhuav tshem cov fiber tawv, ua rau cov nplej tawg thiab rot, txo qis cov khoom thiab tshuab muaj peev xwm ntawm tawv thiab txo qis lub neej siv ntawm cov khoom tawv.
## Cov kev tiv thaiv kom tsis txhob muaj tawv sofas kom tsis txhob muaj mold:
## Txij li qhov qhuav yog ib qho xwm txheej tseem ceeb rau tawv kom muaj mold, thiab av tsiaj (feem ntau yog tib neeg sweat av) thiab qhov kub siab kuj tseem yog cov xwm txheej tseem ceeb rau kev muaj mold, cov khoom tawv yuav tsum tau muab tso rau hauv ib qho chaw qhuav. Cov tawv sofas uas siv ntau yuav tsis muaj mold txawm tias nyob hauv ib qho chaw qhuav yog tias lawv tau tu nrog cov cream nplij tawv ntuj.
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