Lub tshuab nqus tsev tsim cov tshuab ua kom muaj txiaj ntsig ntau lawm, ua kom cov thawv ntim cov duab zoo, siv cov khoom siv ntau tshaj plaws, thiab muab ntau hom kev ntim khoom. Cov tshuab no txhawb nqa cov qauv kev nyiam huv thiab kev nyab xeeb, xa cov kev sib khi zoo tshaj plaws, thiab muab kev hloov pauv rau ntau yam khoom ntim. Cov kev tswj hwm ntse tshaj plaws ntxiv txhawb kev tsim khoom ruaj khov thiab cov khoom zoo, ua lub tshuab nqus tsev tsim cov khoom tseem ceeb hauv cov ntim khoom noj niaj hnub no.
Kev tshaj lij chaw tsim khoom ntawm cov tshuab thermoforming.
Lus
