Shackle cov khoom siv thiab siv

Nyob rau tam sim no, cov shackles zoo dua feem ntau yog ua los ntawm cov hlau tsis sib haum, uas hloov lub keeb kwm ntawm cov pa roj carbon steel zoo li qub yav dhau los. Lub teb chaws tus qauv shackle suav nrog kev nqa dav, shackles tubrog nkoj thiab shackles zoo tib yam. Qhov hnyav yog qhov hnyav thiab qhov ntim loj, thiab nws feem ntau tsis tau nruab rau hauv qhov chaw uas tsis nquag sib cais. Ua tib zoo saib xyuas kev nyab xeeb thaum xaiv cov plaub hau, feem ntau 4 zaug, 6 zaug thiab 8 zaug. Thaum siv cov shackle, cov rated load yuav tsum ua raws cai. Txwv tsis pub siv ntau dhau thiab dhau haujlwm tsis txwv.