{TAIL ~ The fixing} of the stirrer blades 15 on {HEAD ~ the rotation axle} 16 is improved by a fixing piece 17 
{ TAIL ~ The fixing } of the stirrer blades 15 on { HEAD ~ the rotation axle } 16 is improved by a fixing piece 17
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH