Kev siv cov log tsheb roj hmab ntawm cov khoom siv thauj khoom uas muaj ntau cov txiaj ntsig uas txhim kho ob lub ramp txoj haujlwm thiab yooj yim ntawm kev siv:
1.Mobility: Cov log tsheb roj hmab ua kom yooj yim txav thiab muab cov kab ke ramp, tshwj xeeb tshaj yog thaum nws tau thauj khoom nrog cov khoom siv hnyav. Cov log tsheb tso cai rau smoocher thauj hla cov sib txawv sib txawv (zoo li gravel, asphalt, lossis pob zeb ua) piv rau rub ib lub ramp tsis muaj log.
2. Cov log tsheb yuav pab muab qhov hnyav ntawm txoj kev khiav thiab tus nqi ntau dua, txo qhov chaw nyob ruaj khov thaum siv.
3. Tam sim no kev nqus: Cov log tsheb roj hmab tuaj yeem nqus tau kev poob siab thiab kev co, ua cov txheej txheem ntawm kev thau khoom thiab tsis tuaj yeem hloov chaw thiab muaj kev nyab xeeb dua. Qhov no muaj txiaj ntsig tshwj xeeb thaum txav cov tshuab hnyav lossis tsheb.
4.Durability thiab traction: roj hmab muab cov kab ke zoo, ua kom pom kev ruaj khov thiab tsis npleem lossis xaub thaum siv, tshwj xeeb tshaj yog rau ntawm cov nplua chaw. Nws kuj tseem tiv thaiv hnav thiab kua muag los ntawm kev siv nquag.
5.Txhua kev: Nrog cov log tsheb tuaj yeem ua tau sai sai, hloov kho, lossis xa tawm, txuag lub sijhawm thiab kev siv zog thaum lub sijhawm ua haujlwm. Qhov kev hloov pauv no yog qhov tshwj xeeb tshaj yog pab tau nyob rau hauv qhov chaw nres nkoj uas tseem ceeb heev.
Hauv ntej, roj hmab log tsheb ntxiv qhov yooj yim yooj yim, kev nyab xeeb, thiab kev ua tau zoo rau kev thauj khoom sib dhos.
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