Qhov chaw tsim khw tshuab hlo siv rau kev ua haujlwm yog qhov kho tsim tshuab uas muaj peev xwm siab thiab tsim nyog rau kev pab hwm qhov kualite ntawm cov ntaub. Los ntawm kev hlo ntaub nrog qhov loj thiab meej, nws tuaj yeem tshem tawm cov ntawv tua, dust, debris, thiab cov kab mob uas tau tsim tawm hauv qhov kev tsim khw. Ntseeg tau siab tias, qhov chaw no tuaj yeem rov qhia lossis pab hwm qhov ntaub (lossis “pile”), pab rau cov ntaub zoo li flannel, velvet, thiab terry cloth muaj feel zoo dua thiab nyob siab dua, thaum kuj pab hwm qhov kev pom ntawm qhov ntaub.
Kev siv nws yog txaus siab loj, ua rau nws tuaj yeem tsis tu ncua nyob hauv kev lag luam hluav taws xob, kev lag luam kho tsev, kev lag luam hluav taws xob tshwj tsis, thiab kev lag luam khoom siv tshiab uas nyob ib puag ncig. Hauv hluav taws xob noj juj yooj, nws ua haujlwm tshaj tawm rau kev saib xyuas thiab kho cov hluav taws denim, hluav taws khib, thiab cov hluav taws suits zoo. Rau kev lag luam hluav taws hauv tsev thiab kev lag luam kho tsev, nws pab kom muaj qhov tshwj xeeb zoo hauv qhov tshwj xeeb thiab qhov tshwj xeeb ntawm cov hluav taws ntoo, cov rooj nqaj, thiab cov hluav taws ntoo. Hauv hluav taws xob kev tshwm sim, nws pab tau cov hluav taws xob zoo siab thiab zoo ib yam rau cov khoom siv filtration thiab cov hluav taws xob siv coating—qhov tseem ceeb tshaj plaws rau kev tshwm sim tom ntej. Txij li thaum kev nyob ib puag ncig tau nce ntev dua, chav noj no tau muaj feem tshaj tawm hauv kev lag luam hluav taws xob, nws saib xyuas cov hluav taws xob tshiab kom zoo siab los pab nws muaj cheeb tsheb tshiab.
Pom tseeb, tus tshuab rub rau ntuaj hlua tsis yog tshuab saib xyuas xwb, tab sis nws yog tshuab sau ntawv uas pab txhim kho qhov tseem ceeb ntawm khoom los ntawm kev pab txhim kho qhov sawv cev, kev nyob zoo, thiab kev ua haujlwm. Nws yog tsev chaw siv khoom loj rau kev txhim kho qhov kub hliav nyob rau hauv kev tsim khoom hluav taws xob noj hcov.