We are a shuttle train loader on the Norfolk southern line, so when we get a train applied to be loaded at our facility, we are at the mercy of the railroad putting that on our tracks, and then we have 24 hours to load it, and release it, otherwise the railroad charges us for the cars sitting and not moving materials. The day to day tasks change, and a candidate has the potential to not be doing the same thing they were doing the day before, or let alone that morning and something completely different in the afternoon.