The rib panels are oriented in {HEAD ~ parallel spaced relation} from one another and individually molded with perimeters defining individual areas of curvature for {TAIL ~ the finished blade assembly} 
The rib panels are oriented in { HEAD ~ parallel spaced relation } from one another and individually molded with perimeters defining individual areas of curvature for { TAIL ~ the finished blade assembly }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL