I'm supprised the wagons/trailers survived the bund speed bumps at all. The tool tags, oops sorry tallys, struggle to stay on a stationary wall so what hope have they got in a mobile wagon doing 40?(hope the hitler youth didn't catch you sphlc.
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Just for this time of year we can add that the wagons just don't doughnut quite the same with a tralier, that has an overly high C of G, strapped to the back on an icy pan to the accident report.