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