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