Latex los yog dej-raws li cov xim feem ntau muaj lub neej tsis tau qhib 10 xyoo. Cov kuab tshuaj los yog cov roj pleev xim tuaj yeem siv tau ntev txog 15 xyoo tsis tau qhib. Koj tuaj yeem kuaj cov xim kom pom tias nws tseem zoo los ntawm kev ua cov hauv qab no:
Latex Xim: Ua ntej, tsw nws. Yog hais tias nws tsw rancid, nws mus phem. Qhov thib ob, xyuas seb cov xim sib cais. Feem ntau yuav muaj cov tawv nqaij nyias nyob rau sab saum toj nrog ib txheej ntawm cov kua hauv qab. Tshem tawm ntawm daim tawv nqaij thiab siv ib daim nplaum nplaum los txhuam cov xim. Xyuas kom tseeb tias cov xim tsis tawv rau hauv qab lossis ob sab. Yog tias cov xim sib xyaw ua ke zoo thiab zoo li cov xim qub, ces nws tuaj yeem siv tau. Yog tias koj tseem tsis paub meej, txhuam qee cov xim rau hauv ib daim ntawv xov xwm. Yog tias cov xim tuaj tawm ntxhib thiab lumpy, koj yuav tsum muab pov tseg.
Roj-raws li xim xim: Yog tias cov xim tsis tau raug kub hnyiab thiab raug kaw kom zoo, ces nws feem ntau tsis muaj kev cuam tshuam li latex yuav ua rau tsis zoo. Tsuas yog tshem tawm cov txheej ntawm zaj duab xis hla saum toj thiab do zoo ua ntej pleev xim.