{HEAD ~ The oscillating plate} has {TAIL ~ three sections}: a curved plate section; an inclined plate section and a flat plate section 
{ HEAD ~ The oscillating plate } has { TAIL ~ three sections } : a curved plate section ; an inclined plate section and a flat plate section
HEAD 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