Size deviation can be measured as {TAIL ~ root mean square} of the diameter, with {HEAD ~ less than about 10% root} mean square being preferred 
Size deviation can be measured as { TAIL ~ root mean square } of the diameter , with { HEAD ~ less than about 10 % root } mean square being preferred
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH