{HEAD ~ The hook} is operatively connected to {TAIL ~ a power jack} in such a manner that, upon actuation of the power jack, the frame is pulled toward the slat engaged by the hook thereby causing the carpet to be pulled by the prong members toward the adjacent wall edge 
is operatively connected to
{ HEAD ~ The hook } is operatively connected to { TAIL ~ a power jack } in such a manner that , upon actuation of the power jack , the frame is pulled toward the slat engaged by the hook thereby causing the carpet to be pulled by the prong members toward the adjacent wall edge
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH