Each of {HEAD ~ the end housings} 12 carries {TAIL ~ a journal} bearing 24 which, in turn, journals a shaft 26 in the housing 
Each of { HEAD ~ the end housings } 12 carries { TAIL ~ a journal } bearing 24 which , in turn , journals a shaft 26 in the housing
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH