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

https://www.scribd.com/document/1041618560/Leader-Boxes-Developed-to-Last-The-Architect-s-Copper-Criterion-223754

I didn't anticipate acoustics to matter, yet opening patterns, backing products, and panel depths in steel ceilings tame echo while maintaining crisp, modern-day lines.