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cute young brunette girl with a green scarf on the railway track
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Cute Young Brunette Girl With A Green Scarf On The Railway Track

The track ballast is customarily crushed stone, and the purpose of this is to support the ties and allow some adjustment of their position, while allowing free drainage.
Ballastless track
A disadvantage of traditional track structures is the heavy demand for maintenance, particularly surfacing (tamping) and lining to restore the desired track geometry and smoothness of vehicle running. Weakness of the subgrade and drainage deficiencies also lead to heavy maintenance costs. This can be overcome by using ballastless track. In its simplest form this consists of a continuous slab of concrete (like a highway structure) with the rails supported directly on its upper surface (using a resilient pad).

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Filename:422424.jpg
Album name:Babes
Rating (1 votes):55555
Keywords:#cute #young #brunette #girl #green #scarf #railway #track
Filesize:107 KiB
Date added:Oct 11, 2011
Dimensions:800 x 1193 pixels
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