{HEAD ~ This arrangement} has {TAIL ~ the advantage} that it makes the overall transmission shorter at the top, and may help to ensure that the transmission can clear a swim platform, when one is provided on the watercraft 
has
{ HEAD ~ This arrangement } has { TAIL ~ the advantage } that it makes the overall transmission shorter at the top , and may help to ensure that the transmission can clear a swim platform , when one is provided on the watercraft
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH