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