{HEAD ~ Provision} of a planar support surface in connection with the central arrangement of the polygon results in a more secure arrest of {TAIL ~ the tool}, leading to a firm seating on the shock absorber closure screw 
{ HEAD ~ Provision } of a planar support surface in connection with the central arrangement of the polygon results in a more secure arrest of { TAIL ~ the tool } , leading to a firm seating on the shock absorber closure screw
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH