blue estate:
nick2008:
King pin on the back is or was used at some of the print houses.
Back on to the bay and the loading bay had a grab / 5th wheel that would captur the pie lining the trailer up for a self tip / load for rells of paper on end.
Also some places like the pet food place in Grantham had it for auto load and tip of pallets.
That systems been around 30 odd yearsI saw a self tip downtown trailer on Thursday [emoji6]it had lost one of its rolls of print paper on the exit slip to westbound Rownhams services and hit a car [emoji23][emoji23]
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I did that run a few times couple of weeks ago for them. Got to the drop only to discover the single strap holding one of them in place sitting on the bed 
They are stood upright on the trailer