an outer chamber having {TAIL ~ an inlet} connected to the conduit for receiving the articles therefrom, and {HEAD ~ an outlet} for discharging the articles collected from the conveyor 
an outer chamber having { TAIL ~ an inlet } connected to the conduit for receiving the articles therefrom , and { HEAD ~ an outlet } for discharging the articles collected from the conveyor
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH