{HEAD ~ The truss support structure} is covered with a lightweight fiberglass or {TAIL ~ hardened fabric skin} attached to and fitted on respective rib panel edges forming an airfoil structure 
is covered with
{ HEAD ~ The truss support structure } is covered with a lightweight fiberglass or { TAIL ~ hardened fabric skin } attached to and fitted on respective rib panel edges forming an airfoil structure
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH