{HEAD ~ Such powder} is preferably {TAIL ~ nonlaminar} in particle geometry and is more preferably characterized by fractal dimensionality 
is preferably
{ HEAD ~ Such powder } is preferably { TAIL ~ nonlaminar } in particle geometry and is more preferably characterized by fractal dimensionality
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH