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