{HEAD ~ The plane} of {TAIL ~ the stirrer blades} 15 is inclined at an angle of inclination alpha to the rotation axle 
{ HEAD ~ The plane } of { TAIL ~ the stirrer blades } 15 is inclined at an angle of inclination alpha to the rotation axle
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH