Lub teb chaws tus qauv GB10454-2000 "Container Bags" hais txog qhov teeb meem ntawm "safety factor", tab sis qhov tseem ceeb ntawm qhov tseem ceeb yog debatable. Tus txheej txheem tau teev tseg hauv nqe lus 5.5.1: "ib ntus nqa kev xeem" uas "sau cov ntsiab lus rau hauv lub hnab ntim khoom sib npaug kom puv load, dai ib lub nra sib npaug rau 2 zaug ntawm lub nra, txwv kev siv lub hnab 70 zaug, thiab siv nws. Rau kev siv ib zaug, lub hnab nqa rov qab rau 30 zaug. Txawm hais tias lub hnab ntim khoom tsim nyog feem ntau yog nyob ntawm seb cov khoom thiab lub cev lub hnab puas txawv txav, thiab seb qhov kev sib txuas puas raug puas, yog tias tsis muaj kev puas tsuaj, nws txhais tau tias tias qhov kev xeem dhau lawm. "
"Container Bag Standard" 10454-89 qhia tias tag nrho cov tensile quab yuam ntawm txoj hlua (txoj hlua) (raws li daim ntawv tsim) yuav tsum ntau dua lossis sib npaug li 6 npaug ntawm cov khoom ntsuas. Ib qho kev nyab xeeb ntawm "6" yog muab. Hauv kev xyaum, qhov kev nyab xeeb no tsis sib haum nrog kev ntsuas kev nqa tag nrho. Qhov 6-fold factor of the liftingring cannot prove that the whole bag has a 6-fold safe factor. Nws tsuas yog sawv cev rau qhov siab dua tensile force Performance index uas cov hlua yuav tsum tau ua tiav thaum nws raug tshuaj xyuas nyias. Thaum lub sling txuas nrog lub hnab lub cev, muaj ntau yam xws li sab saum toj dai, sab dai thiab hauv qab dai, thiab txuas nrog stitches. Nyob rau sab dai thiab sab saum toj dai, yog tias lub hauv paus ntaub thiab stitching tsis ncav cuag ib theem ntawm kev ua tau zoo, tsuas yog lub zog siab ntawm txoj hlua tsis tuaj yeem ua kom muaj kev ua tau zoo ntawm kev sim tag nrho; Hom thiab txoj kev xaws, lub zog poob kuj nyob nruab nrab ntawm 10-30 feem pua . Yog li ntawd, tag nrho lub hnab nqa nqa yuav tsum tau peb zaug ntawm tag nrho cov load thiab rov lifting, thiab cov qauv tshwj xeeb ntawm cov khoom yog tsis quav ntsej thaum txiav txim siab qhov kev ua tau zoo ntawm txoj hlua. Thaum 2000 tsab ntawm "Container Bags" tus qauv tau hloov kho, txhawm rau kom muaj kev nyab xeeb ntawm kev thauj khoom thiab tshem tawm ntawm lub hnab, lub hnab dai saum toj kawg nkaus thiab sab dai hnab hauv cov qauv qub tuaj yeem raug celled. Txoj kev no zoo li tsis tsim nyog. Txhawm rau kom ua tau zoo, feem ntau vam khom cov khoom siv pov thawj thiab cov khoom siv txhim khu kev qha kom ntseeg tau. Sab saum toj-sling thiab sab-sling styles muaj txiaj ntsig hauv kev ua haujlwm thiab tus nqi, tshwj xeeb tshaj yog nyob rau hauv cov khoom siv hauv lub hnab. Lub hauv paus ntsiab lus ntawm tus qauv yuav tsum tau taw qhia cov kev taw qhia, thiab yuav tsum tsis txhob sau cov cai thiab cov kev cai los txwv kev ua si zoo ntawm kev txawj ntse ntawm cov neeg tsim qauv.