Nyob rau hauv lub ntiaj teb xav tau ntawm cov cuab yeej tsim kho, durability thiab kev cia siab yog tsis-negotiable. Peb lub luag haujlwm hnyav hobbed bevel iav teeb yog lub hom phiaj tsim los tiv thaiv cov xwm txheej hnyav tshaj plaws uas tau ntsib ntawm cov chaw tsim kho thoob ntiaj teb. Tsim los ntawm cov ntaub ntawv muaj zog thiab tsim kho kom meej meej, cov iav no ua tau zoo hauv cov ntawv thov uas brute quab yuam thiab ruggedness yog qhov tseem ceeb.
Txawm hais tias nws yog lub zog excavators, bulldozers, cranes, lossis lwm yam khoom siv hnyav, peb cov hobbed bevel iav teeb xa cov torque, kev ntseeg siab, thiab kev ua haujlwm ntev uas yuav tsum tau ua kom tiav. Nrog rau kev tsim kho kom zoo, cov hniav zoo meej, thiab cov tshuab lubrication siab heev, cov iav no txo qis qis qis, txo cov nqi tu, thiab ua kom muaj txiaj ntsig zoo tshaj plaws ntawm cov kev tsim kho uas xav tau tshaj plaws.