{HEAD ~ The input end} 411 of the heating mechanism 41 is connected with a power source end 421 and the collector of {TAIL ~ the transistor} 422 
{ HEAD ~ The input end } 411 of the heating mechanism 41 is connected with a power source end 421 and the collector of { TAIL ~ the transistor } 422
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH