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