{HEAD ~ A trap device} including {TAIL ~ at least one substance delivery element} for introducing a substance therein is disclosed 
including
{ HEAD ~ A trap device } including { TAIL ~ at least one substance delivery element } for introducing a substance therein is disclosed
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH