In a similar manner, {HEAD ~ an outer oblique surface} 50 of {TAIL ~ the seal cover} 24 meets and outer oblique surface 51 of the lip 37 
of
In a similar manner , { HEAD ~ an outer oblique surface } 50 of { TAIL ~ the seal cover } 24 meets and outer oblique surface 51 of the lip 37
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH