June 17, 202100:31:53

#112 Hagerbach: The Bat Cave of Tunnelling

Every good superhero universe has its origins story. Hagerbach’s begins with Rudolf Amberg, looking to innovate and find new efficiency savings for his iron mine. So began a 50-year journey from testing equipment and explosives, to fire and tunnel safety simulations, and ever more creative uses for underground space. Ultimately the mining industry in Switzerland...

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