a first controller means connected to said first switch for pulse width modulating said first switch at a first PWM frequency that is greater than said {HEAD ~ resonate frequency} thereby heating said {TAIL ~ heating element} to said desired temperature 
heating
a first controller means connected to said first switch for pulse width modulating said first switch at a first PWM frequency that is greater than said { HEAD ~ resonate frequency } thereby heating said { TAIL ~ heating element } to said desired temperature
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH