In its operating position, {HEAD ~ the head} is turned at an angle of {TAIL ~ 90°} to the shaft, whereby the pulleys lie in the same plane 
In its operating position , { HEAD ~ the head } is turned at an angle of { TAIL ~ 90 ° } to the shaft , whereby the pulleys lie in the same plane
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH