Qhov kev tsis sib haum xeeb ntawm kev xa khoom ntau yog qhov tseem ceeb: ton hnab manufacturers muaj kev nqis peev tsawg, cov ntsiab lus tsis tshua muaj txiaj ntsig, tsis tshua muaj kev cuam tshuam, ntau qhov muag tsis pom kev, ntau lub lag luam me thiab nruab nrab, tsis muaj peev xwm tsim kho tshiab, thiab ob peb tus kheej ntawm cov khoom tshiab. Cov khoom assimilation yog qhov tshwj xeeb. Yog li ntawd, cov khoom siv tiag tiag tshaj qhov xav tau thiab ua rau muaj kev ua tsov rog ntawm tus nqi, thiab tsis tshua muaj txiaj ntsig. Vim lub peev xwm ntau lawm ntawm cov khoom, nws tsis tuaj yeem tso tawm.
Kev lag luam yas weaving yog qhov tsis yooj yim heev thiab yuav tsum tau sib koom ua ke: lub hnab ntim khoom lag luam tsis muaj kev tsim nyog los sib tham tus nqi nrog cov tuam txhab raw khoom, tsis muaj chaw rau kev sib tham nrog cov tuam txhab qis qis, thiab kev sib tw tsis sib haum xeeb nws tus kheej, ua rau kev lag luam yas weaving tsis yooj yim heev. thiab xav tau kev sib koom ua ke sai sai. Nyob rau lub sijhawm 15th Tsib Xyoo Npaj, muaj ntau dua 5,000 cov tuam txhab xaws yas thoob teb chaws, tab sis tsuas yog kaum ntawm lawv tau muag txhua xyoo ntau dua 100 lab yuan, thiab tsuas yog ntau dua 1,{{6} } tau muag txhua xyoo cov nyiaj tau los ntau dua 5 lab yuan. Lwm tus yog cov lag luam me thiab nruab nrab nrog cov khoom siv rov qab thiab thev naus laus zis, cov khoom lag luam tsis zoo sib tw, thiab muaj kev pheej hmoo ntau dua hauv kev sib tw ua lag luam hnyav. Vim qhov nce ntawm cov nqi raw khoom, cov khoom lag luam tus nqi tsis tuaj yeem nce synchronously, ua rau ntau lub tuam txhab ntim cov hnab ntim khoom tsis tuaj yeem lav nws, thiab lawv tau nres ntau lawm, hloov ntau lawm lossis kaw.