{TAIL ~ An intermediate shaft} interposed between {HEAD ~ the additional and main change mechanisms} is also supported by the support frame 
{ TAIL ~ An intermediate shaft } interposed between { HEAD ~ the additional and main change mechanisms } is also supported by the support frame
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH