{TAIL ~ First and second hubs} 15 and 16 are mounted on the hub support frame member 13 for rotation about {HEAD ~ spaced generally parallel axes} 17 and 18 
{ TAIL ~ First and second hubs } 15 and 16 are mounted on the hub support frame member 13 for rotation about { HEAD ~ spaced generally parallel axes } 17 and 18
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH