Kev tswj qhov kub thiab txias yog qhov tseem ceeb uas cov tuam txhab FIBC tsis tuaj yeem tsis quav ntsej hauv kev tsim khoom. Hauv kev tsim khoom txhua hnub, nws yog ib qho tsim nyog yuav tsum ua raws li cov qauv kev khiav hauj lwm nruj me ntsis thiab tuav qhov zoo ntawm cov thawv ntim khoom los ntawm qhov chaw.
Nyob rau hauv cov txheej txheem tsim, yam xws li qhov kub thiab txias yuav tsum tau tswj nruj me ntsis kom ntseeg tau cov khoom zoo tom qab. Kub yog ib qho tseem ceeb heev uas cuam tshuam rau kev ua FIBC,
Qhov kub ntau dhau yuav tsis tsuas yog cuam tshuam rau cov teeb meem, nce tus nqi ua haujlwm, tab sis tseem cuam tshuam rau qhov zoo ntawm cov txheej txheem woven hnab. Txawm hais tias qhov kub ntawm cov yas yaj yog qhov tsim nyog, koj tuaj yeem soj ntsuam cov huab cua txhaj tshuaj nrog jog nyob rau hauv qis qis. Cov khoom siv kub tsim nyog yuav tsum ua rau cov khoom txhaj tshuaj nyuaj thiab muaj zog, tsis muaj npuas, tsis muaj curling, ci thiab tsis tu ncua.