SAFETY FACTOR
Ib qho tseem ceeb ntawm kev nyab xeeb yog lub peev xwm nqa lub peev xwm ntawm cov kab ke tshaj li qhov system tau txhawb nqa. Cov choj, vaj tse, khoom siv nyab xeeb thiab kev tiv thaiv kev poob txhua qhov pib nrog qhov tseem ceeb ntawm kev nyab xeeb.
Yooj yim hais, qhov kev nyab xeeb yog qhov muaj zog ntau npaum li cas raws li qhov xav tau. Hauv kev npaj theem ntawm txhua yam txheej txheem thiab cov cuab yeej siv kev nyab xeeb, cov kws tshaj lij txiav txim siab yuav tsum tau thauj khoom ntau dhau los ntawm ib yam khoom kom nyob nyab xeeb thaum muaj xwm txheej ceev.
Tsuas yog coj polyester sling piv txwv:
Min. Rhuav Lub Zog=Ua Haujlwm Txwv Txwv x Kev Nyab Xeeb
Hauv qhov xwm txheej sib txawv, txawv tebchaws, kev nyab xeeb yuav sib txawv:
1) Rau Lifting Sling
Hauv Tebchaws Europe, ib txwm muaj kev nyab xeeb yog 7: 1.
Thaum nyob hauv Tebchaws Meskas, nws yog 5: 1.
2) Rau Kev Thauj Khoom
Hauv Tebchaws Europe, kev nyab xeeb yog 2: 1.
Thaum nyob hauv Tebchaws Meskas, nws yog 3: 1.
