The connection between this latter, the jacket 12 and {HEAD ~ the cover} 13 is formed by {TAIL ~ a ring} of axial through bolts 15 
The connection between this latter , the jacket 12 and { HEAD ~ the cover } 13 is formed by { TAIL ~ a ring } of axial through bolts 15
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH