A radially outward surface of {HEAD ~ each} of {TAIL ~ the bars} is connected to a respective radially inner surface of each of the rings 
of
A radially outward surface of { HEAD ~ each } of { TAIL ~ the bars } is connected to a respective radially inner surface of each of the rings
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH