I really did not anticipate acoustics to matter, yet opening patterns, backing materials

https://knoxznxp391.wpsuo.com/why-the-hardest-architects-define-copper-custom-made-parts-that-prove-themselves-over-100-years

I didn't expect acoustics to matter, yet perforation patterns, backing products, and panel midsts in steel ceilings tame echo while maintaining crisp, modern lines.