By comparison, solder balls have {HEAD ~ diameter tolerances} that typically vary {TAIL ~ from+/−0.0007 inch} to+/−0.003 inch 
typically vary
By comparison , solder balls have { HEAD ~ diameter tolerances } that typically vary { TAIL ~ from+/−0.0007 inch } to+/−0.003 inch
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH