This radius R runs up to the outlet plane of the tube 20, the angle β between the start and {HEAD ~ end} of {TAIL ~ the curvature} being 3 mm 
of
This radius R runs up to the outlet plane of the tube 20 , the angle β between the start and { HEAD ~ end } of { TAIL ~ the curvature } being 3 mm
OTH 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 REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH