01-13-2010, 12:46 PM
Gary, neat industry! I think that green coating is an anti-corrosive coating. The fact that the pipe goes in with a coat of surface rust and comes out green indicates that you got the product description right. Have you ever seen the railroad working that industry? I'm wondering what size and how many locomotives do they use to switch out that place? Also do the locomotives go down that drop off, or do they use a bunch of freight cars as a handle to keep the locomotives on the level? I'm thinking that the locomotives would probably get better traction on the level rather than trying to start a train from a stop on such a steep grade.