The combination 7 wherein said rotating means comprises a circular member fixed to {HEAD ~ the tower bottom} and {TAIL ~ rotary drive means} for engaging the circular member 
The combination 7 wherein said rotating means comprises a circular member fixed to { HEAD ~ the tower bottom } and { TAIL ~ rotary drive means } for engaging the circular member
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH