{HEAD ~ The method} of {TAIL ~ the invention} can also be characterized as one of retrofitting an existing grid with a guide, the grid defining a support surface for carrying a pan along a conveyor defining a path of travel 
{ HEAD ~ The method } of { TAIL ~ the invention } can also be characterized as one of retrofitting an existing grid with a guide , the grid defining a support surface for carrying a pan along a conveyor defining a path of travel
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