{TAIL ~ Tighter mechanical tolerances} improve the coplanarity of {HEAD ~ components}, which in turn improves solder joint uniformity, thereby further enhancing reliability 
{ TAIL ~ Tighter mechanical tolerances } improve the coplanarity of { HEAD ~ components } , which in turn improves solder joint uniformity , thereby further enhancing reliability
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH