{HEAD ~ The non ejection grooves} extend, on {TAIL ~ the other side}, up to a second side peripheral end of the actuator substrate, and the actuator substrate is left to form raised bottom portions on bottoms of the non ejection grooves near the second side peripheral end 
extend on
{ HEAD ~ The non ejection grooves } extend , on { TAIL ~ the other side } , up to a second side peripheral end of the actuator substrate , and the actuator substrate is left to form raised bottom portions on bottoms of the non ejection grooves near the second side peripheral end
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH REL TAIL TAIL 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