... weak pointsRoll-formed MoldboardSmoother discharge, greater distance of thrown snow, less snow over the top of the plow1/2" Tapered Ribs1 ... on highway, urban roads and airports, etc. FeatureCan spread snow melting agent, salt and sand etc, wide, fast and high ... spreading device has the function of automatic emptying the snow melting agent in the hopperIntelligent control in cab, with memory ...