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