| Snow Fence |
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A typical style of temporary snow fence seen in North America today is often one of two varieties: orange plastic attached to stakes at regular intervals or a cedar or other lightweight woodstrip and wire fence, also attached to metal stakes. A permanent snow fence is generally of larger wooden poles set deply into the ground with large wooden planks running vertically across them. A permanent snow fence is built when a roadway is subject to predictable snow and wind patterns each winter, usually in mountian passes. The drifting of snow behind a fence follows the laws of physics as the pressure on the downwind side is less than that on the windward side, allowing light materials such as snow or leaves to settle there. External links |
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