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