{HEAD ~ The audio server} produces {TAIL ~ signals} for an audio speaker, causing the audio signals to be continuously audibilized; additionally, the audio server initializes a timer 
produces
{ HEAD ~ The audio server } produces { TAIL ~ signals } for an audio speaker , causing the audio signals to be continuously audibilized ; additionally , the audio server initializes a timer
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL 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