{HEAD ~ Each nut} is welded to {TAIL ~ a corner bracket}, and each nut extends into the resilient material 
is welded to
{ HEAD ~ Each nut } is welded to { TAIL ~ a corner bracket } , and each nut extends into the resilient material
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH