The blades in {HEAD ~ the portion} 24 thus rotate together with {TAIL ~ the beaters} 17 
The blades in { HEAD ~ the portion } 24 thus rotate together with { TAIL ~ the beaters } 17
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH