Introduzione
Un modello 3D interattivo di una serranda tagliafuoco.
Risorse Aggiuntive
https://en.wikipedia.org/wiki/Fire_damper
https://www.lifesafetyservices.com/how-do-fire-dampers-work
https://www.castotech.com/what-is-a-fire-damper-and-how-does-it-work