Witt & Sohn AGhat einen Beitrag geschrieben.27. November 2020Safety in tunnels - that´s our business! Most recently we´ve witnessed multiple successful heat tests for a new highway tunnel in Hamburg, Germany! Witt & Sohn AG's JetFans successfully passed the tests! Here´s also a link to some news coverage (in German) https://www.ndr.de/nachrichten/hamburg/Neue-Feuerprobe-fuer-A7-Deckel-in-Stellingen,asieben414.html
