Learning about rainscreen subframes showed me just how steel is the quiet backbone: flexible brackets line up airplanes

https://www.scribd.com/document/1041055982/Finials-That-Last-The-100-Year-Trajectory-of-Customized-Copper-Details-196087

Discovering rainscreen subframes revealed me exactly how steel is the silent backbone: adjustable braces straighten airplanes, handle drain, and take in structure motion with dignity.