The system 1 wherein {HEAD ~ the microphone} is disposed approximately 180 degrees from the preform loading point relative to {TAIL ~ the carousel} 
The system 1 wherein { HEAD ~ the microphone } is disposed approximately 180 degrees from the preform loading point relative to { TAIL ~ the carousel }
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL