Thus, the accumulated count is proportional to {TAIL ~ themgnitude} of {HEAD ~ accumulation} of the unburned particulates 
Thus , the accumulated count is proportional to { TAIL ~ themgnitude } of { HEAD ~ accumulation } of the unburned particulates
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH