To summarize: in semimonocoque fuselages, the strong, heavy longerons hold the bulkheads and formers. These, in turn, hold the stringers, braces, web members, etc. All are designed to be attached together, and to the skin, to achieve the full strength benefits of the semimonocoque design.

Lake Shore & Michigan Southern Railway Commutation Ticket. Good for twenty rides between Vermillion and Cleveland, for Wm. T. | Shelton, or Simeon T. Shelton, as | per conditions on the back. J. W. CARY, Gen'l Ticket Agt. N.B.–Conductors will punch for each trip, and take up ticket when used up or expired.

Why the redactor created this conflate version, despite its inconsistencies, is a matter of conjecture.

I wear boxers under trousers but for sports I usually wear a brief.