{TAIL ~ Deposit interaction elements} may be employed to influence the distribution or redistribution of deposits within {HEAD ~ the trap device} 
{ TAIL ~ Deposit interaction elements } may be employed to influence the distribution or redistribution of deposits within { HEAD ~ the trap device }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD