Lub tshuab no txais cov kab rov tav laub dabtsi yog khoov,tuskev ua haujlwm yog yooj yim thiab yooj yim.
Cov dabtsi yog khoov tuag txais cov menyuam thawb txoj kev, qhov chaw ntawm lub ntiajteb txawj nqus thiab qhib qhov loj tuaj yeem hloov kho arbitrarily.
Tsis muaj deformation tom qab khoov, tsis tshua muaj resilience,tlub kaus mom yog qhov kev xaiv zoo tshaj plaws rau U-hom bolt tshwj xeeb
High-strength U-hom bolt txoj kev.