{TAIL ~ The first register} is connected to the ends of the first air circuit, in {HEAD ~ the first operational position}, to provide for residential used air intake at the compressor and expulsion of the turbine discharge air into the atmosphere 
{ TAIL ~ The first register } is connected to the ends of the first air circuit , in { HEAD ~ the first operational position } , to provide for residential used air intake at the compressor and expulsion of the turbine discharge air into the atmosphere
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD 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 OTH OTH OTH