{HEAD ~ A feeding device} 4 wherein {TAIL ~ said filling element} is formed as a filling flap 
wherein
{ HEAD ~ A feeding device } 4 wherein { TAIL ~ said filling element } is formed as a filling flap
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH