In a further aspect of {HEAD ~ the present invention}, a trap device may include movable elements that interact with {TAIL ~ deposits} therein 
In a further aspect of { HEAD ~ the present invention } , a trap device may include movable elements that interact with { TAIL ~ deposits } therein
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH