Accordingly, {HEAD ~ the present invention} has as one feature the use of a powder filler of varying particle size which minimizes porosity by {TAIL ~ ability} to produce a denser packing 
Accordingly , { HEAD ~ the present invention } has as one feature the use of a powder filler of varying particle size which minimizes porosity by { TAIL ~ ability } to produce a denser packing
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH