One aspect of the invention involves {HEAD ~ a method} for defining {TAIL ~ circuit operations} using a circuit operation tool 
for defining
One aspect of the invention involves { HEAD ~ a method } for defining { TAIL ~ circuit operations } using a circuit operation tool
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH