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