The thin film plate 12 has {HEAD ~ an attachment portion} 12a secured to {TAIL ~ the support member} 11, and a blade portion 12b extending from the attachment portion 12a 
secured to
The thin film plate 12 has { HEAD ~ an attachment portion } 12a secured to { TAIL ~ the support member } 11 , and a blade portion 12b extending from the attachment portion 12a
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH