The invention includes a sound detector system for sensing {HEAD ~ the sound level} from {TAIL ~ a mold} during the blowing process, and outputting a sound level signal 
The invention includes a sound detector system for sensing { HEAD ~ the sound level } from { TAIL ~ a mold } during the blowing process , and outputting a sound level signal
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH