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Keywords from Image Description:
Druckluft Bohrmaschine. DruckluftBohrmaschine System Ferroux simplifi aufgenommen in Gschenen vor der Werkstatt nach Macchinario usato per la perforazione del Traforo del Gottardo completato nel Unser Gotthard Lnd unknown upload by Adrian Michael PDold Gotthard rail tunnel Historical images of the Gotthardbahn Drilling jumbos Rock