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