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