Means for making a ski trail

Means for removing snow from road

Mechanical digging device

Mechanical shovel

Mechanism for moving scraper bowl ejector blade

Mechanism to restrain slamming of shovel dipper doors

Method and apparatus for backfilling ditches

Method and apparatus for grading and measuring a surface having

Method and apparatus for melting snow using exhaust and cooling

Method and apparatus for raising a snow plow

Method and apparatus for removing ice from paved surfaces

Method and device to scatter a preheated material on a surface

Method and system for removing snow

Method and system for removing snow

Method for ploughing snow and a snow plough

Method of collecting, preserving and repositioning snow on a ski

Method of operating a snowplow

Method of protecting a metallic surface susceptible to abrasion

Milling device

Milling unit for the beating of snow-covered slopes