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