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