{TAIL ~ The present invention} provides {HEAD ~ a circuit} for heating a heating element to a desired temperature and generating an output from a single common AC power source 
{ TAIL ~ The present invention } provides { HEAD ~ a circuit } for heating a heating element to a desired temperature and generating an output from a single common AC power source
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH