Feem ntau, txoj kab uas hla ntawm cov iav fiber ntau monofilament siab tshaj 9-13 microns, thiab cov iav fiber ntau ya hauv qab 6 microns tuaj yeem nkag ncaj qha rau lub ntsws txoj hlab ntsws thiab ua rau cov kab mob ua pa. Yog li ntawd, yuav tsum tau them nyiaj tshwj xeeb rau feem ntau yuav tsum nkag hauv qab 6 microns. Yuav tsum hnav cov npog ntsej muag kom zoo thaum ua haujlwm ntau lawm. Yog tias pheej mus kov tau tawm tsam lub ntsws, ua rau mob ntsws.
Yog tias koj muaj iav fiber ntau rau hauv koj lub cev, koj yuav ua xua thiab khaus yog tias koj cov tawv nqaij tsis zoo, tab sis feem ntau nws tsis muaj kev phom sij. Yog tias koj cov tawv nqaij tsis zoo, koj tuaj yeem tau txais pob ntawv me me, uas yog kev ua xua. Tsuas yog noj qee cov tshuaj tiv thaiv kev ua xua. Cov.
Yog tias nws nyuaj rau kev tshem tawm cov khaub ncaws, thov nws ob peb zaug hauv qhov chaw uas cua hlob. Tom qab ntxuav nws thiab ziab nws, nws yuav yooj yim rau nws tshem tawm los ntawm patting nrog cov ceg, thiab lwm yam, pat nws ob peb zaug!