Visitors around a TROX tower model of a pressure ventilation system

Photo: Mariusz Młynarczyk / CloudAir.tech

A crowd gathers around a tall illuminated building model on the TROX stand, labelled "DBA Druckbelüftungsanlage" as a pressure ventilation system. In the foreground a rack holds copies of the "TROX life" magazine, and the stand's upper deck with exposed ductwork is visible behind the visitors.