That's because we knew theoretically that there was another way of arranging fibers in a hydrostatic skeleton, and that was with fibers at zero degrees and 90 degrees to the long axis of the structure.
Porque sabíamos teoricamente que havia outra maneira de arranjar fibras em um esqueleto hidrostático, que era com fibras a zero grau e a 90 graus em relação ao eixo longitudinal da estrutura.