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