{HEAD ~ The method} includes {TAIL ~ the steps} of attaching a guide mounting plate to one of the grid mounting plate and the first support bar, and thereafter mounting a magnetic guide member to the guide mounting plate for vertical movement relative to the support surface 
includes
{ HEAD ~ The method } includes { TAIL ~ the steps } of attaching a guide mounting plate to one of the grid mounting plate and the first support bar , and thereafter mounting a magnetic guide member to the guide mounting plate for vertical movement relative to the support surface
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