1. Ua ntej txhim kho lub comber, lub ntsiab feem (xws li hluav taws xob cua sov phaj, lub twj tso kua mis siab, thav duab, thiab lwm yam) sib cais sib luag, thiab tus txiv neej coj mus rau qhov chaw mus ib ntus rau kev teeb tsa ib ntus. Ua ntej kev teeb tsa, tshem cov ntawv sau rau sab saud ntawm ntau txheej ntawm txoj siv conveyors, thiab siv alchemy thiab lwm yam kev ntsuas kev nyab xeeb los tsim lub chaw ua haujlwm, raws li pom hauv daim duab 2. Yog tias nws lo rau ntawm daim teb, siv cov canvas los ua lub tsev tiv thaiv tsis tau los nag ib ncig ntawm lub chaw ua haujlwm.
2. Qhov sib cais cais ntawm txhua ntu kuj yog ua ntu. Feem ntau, qhov chaw hnyav tuaj yeem ua haujlwm los ntawm ob tus neeg, yog li kev teeb tsa thiab kev rho tawm nws yooj yim heev.
3. Nruab cov cuab yeej ntawm lub tshuab vulcanizing, cov cuab yeej rau kev ua cov kab xev sib txuas, thiab npaj cov hwj huam qaum; thiab paub meej tias cov khoom siv kua nplaum (xws li npog cov roj hmab, tseem ceeb kua nplaum thiab kua nplaum) tsis pub dhau lub sijhawm siv sijhawm, cov chaw tsim khoom thiab hnub tsim khoom.
4. Ua ntej kev teeb tsa, nrhiav qhov chaw dav dua thaum txhim kho cov xovxwm curing. Nyob rau hauv qhov chaw no, tsis tsuas yog thaj chaw tsis muaj kev lag luam thiab chaw yooj yim, tab sis kuj tseem tso cov kab xev thiab xaim hluav taws xob kuj yooj yim heev.
