Further, 60 to 95% of grain accumulation should occur in {HEAD ~ a direction range} of {TAIL ~ ±5 to 45 degrees} deviated from the ideal orientation  
of
Further , 60 to 95 % of grain accumulation should occur in { HEAD ~ a direction range } of { TAIL ~ ±5 to 45 degrees } deviated from the ideal orientation
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH