Both the article collecting device and {HEAD ~ secondary conduit member} communicate with the principal conduit member to collect a quantity of {TAIL ~ articles} therein 
Both the article collecting device and { HEAD ~ secondary conduit member } communicate with the principal conduit member to collect a quantity of { TAIL ~ articles } therein
OTH 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