Posted by Aaron Florin on July 9, 2006  And how many bags does that take? Posted by Renaldo Anderson on July 9, 2006  what is the sand for? Posted by ChessieSystem on July 10, 2006  Question: What is the Sand for? Answer: Traction. A train pulling a heavy load, even on dry rail can slip, the sand is blown out near the wells of the engine to give it traction.

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