{HEAD ~ A failure} of a wall of the preform or the container during expansion forms {TAIL ~ the discontinuous container} having a hole through which the blow air flows to form the blow air sound level exceeding the predetermined sound level set point 
forms
{ HEAD ~ A failure } of a wall of the preform or the container during expansion forms { TAIL ~ the discontinuous container } having a hole through which the blow air flows to form the blow air sound level exceeding the predetermined sound level set point
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH