Streusplitt als mögliche Ursache für Rolltreppenschäden am Berliner Hauptbahnhof

This question asks about the potential for grit, used for de-icing, to damage escalators at Berlin's main train station. It seeks information on the extent of the problem and any planned solutions. The question affects station maintenance, public transport users, and potentially the companies responsible for escalator upkeep and winter services.