{HEAD ~ a fluid channel unit} possessing one of {TAIL ~ structure} forming a first channel and a second channel in common and structure forming the first channel and the second channel separately, the first channel being a transparent fluid channel operable to supply fluid to be injected to the deformation sections and the second channel being a transparent fluid channel operable to pass fluid discharged from the deformation sections 
{ HEAD ~ a fluid channel unit } possessing one of { TAIL ~ structure } forming a first channel and a second channel in common and structure forming the first channel and the second channel separately , the first channel being a transparent fluid channel operable to supply fluid to be injected to the deformation sections and the second channel being a transparent fluid channel operable to pass fluid discharged from the deformation sections
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH