{HEAD ~ an indicator tab rotatable} between {TAIL ~ a first position} in which said tab is at all times out of engagement with said first and second cowl portions and a second position in which said tab is interposed between said first and second cowl portions to prevent the closing of said cowl portions 
between
{ HEAD ~ an indicator tab rotatable } between { TAIL ~ a first position } in which said tab is at all times out of engagement with said first and second cowl portions and a second position in which said tab is interposed between said first and second cowl portions to prevent the closing of said cowl portions
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH