Cov hnab ntim khoom tsim tawm tuaj yeem zoo li tsis pom tseeb, tab sis lawv ua lub luag haujlwm tseem ceeb hauv kev tsim khoom. Cov txheej txheem ntau lawm yog dab tsi?
Ua ntej, polypropylene yog cov khoom siv tseem ceeb rau kev tsim cov hnab ntim khoom. Thaum lub sij hawm tsim cov txheej txheem, qee cov ntaub ntawv pab tau ntxiv kom ruaj khov ntawm cov khoom siv.
Qhov thib ob, tom qab cov khoom tsim, cov yas zaj duab xis yog tsim los ntawm lub tshuab thiab txiav rau hauv filaments. Tom qab ntawd cov cua sov yog siv los tsim nws thiab ua rau hauv PP raw cov ntaub, uas yog tom qab ntawd woven thiab coated los ua cov ntaub hauv paus ntawm lub hnab ntim.
Thaum kawg, cov slings yog sewn. Qhov no yog tag nrho cov txheej txheem ntau lawm. Nws zoo nkaus li yooj yim, tab sis nws yuav tsum tau ceev faj hauv kev tsim khoom, txwv tsis pub nws yuav ua teeb meem hauv kev siv tom qab.