| 摘要 |
A method of clearing loose material such as snow is provided employing a snowplow vehicle whereon is attached a front mounted plow blade, a rear mounted plow blade, controlling means for said blades, activating means for said blades, a movable support frame means affixing said rear blade to said activating means. The material clearing method comprises pulling said loose material away from an obstacle thereby forming a mound, repositioning said vehicle behind said mound and completing said clearing operation by pushing,using said front mounted plow blade.
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