{HEAD ~ A feed device} comprising driving devices is movable in a radially driven manner on {TAIL ~ the inner housing} and is aligned with the at least two openings 
is movable on
{ HEAD ~ A feed device } comprising driving devices is movable in a radially driven manner on { TAIL ~ the inner housing } and is aligned with the at least two openings
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH