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