{HEAD ~ The vertical support means} includes {TAIL ~ a plurality} of support columns positioned between the top side of the guide member and a fixed plate secured to the housing 
includes
{ HEAD ~ The vertical support means } includes { TAIL ~ a plurality } of support columns positioned between the top side of the guide member and a fixed plate secured to the housing
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH