This particle size is achieved by {HEAD ~ extensive shearing} of {TAIL ~ the pigment particles} using small grinding media 
of
This particle size is achieved by { HEAD ~ extensive shearing } of { TAIL ~ the pigment particles } using small grinding media
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH