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