sentences:  The complete structure of the ship is designed with panels shaped in a rectangular form consisting of steel plating supported on four edges.Combined in a large surface area the Grillages create the hull of the ship, deck, and bulkheads while still providing mutual support of the frames.Though the structure of the ship is sturdy enough to hold itself together the main force it has to overcome is longitudinal bending creating a strain against its hull, its structure must be designed so that the material is disposed as much forward and aft as possible.