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