Lus piav qhia luv luv:

Multifunctional: Tiv thaiv koj lub tsheb los ntawm daus, av nkos, av nkos thiab xuab zeb rau kev cawm thaum muaj xwm ceev. Tsis txhob muaj lub siab ntawm shoveling, slipping, khiav aground los yog hu rau lub trailer thaum muaj xwm ceev.

Anti-skid thiab ruaj khov: Cov log tsheb screws yog ua los ntawm cov khoom siv zoo zoo, uas tsis yog-plam, ruaj khov thiab ruaj khov. High compression kuj, kub tsis kam thiab corrosion kuj. Yuav siv tau nyob rau hauv tej yam txaus ntshai daus thiab xuab zeb tej yam kev mob.