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