The apparatus and {HEAD ~ method} utilizes {TAIL ~ a leaky bucket routine} and an event handler procedure 
utilizes
The apparatus and { HEAD ~ method } utilizes { TAIL ~ a leaky bucket routine } and an event handler procedure
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH