CANCELLED - NAT2020 North American Tunneling Conference (Nashville - Tennessee)
Unfortunately, this event has been cancelled due to COVID-19. http://www.natconference.com/index.cfm/covid-19-updates1/The 10th International Drilling and Blasting Symposium & Exhibition - ANTALYA
...um, organized by TMMOB (Union of Chambers of Turkish Engineers and Architects) Chamber of Mining Engineers of Turkey (Istanbul Branch) will be held for two days, 24-25 November 2020...
cover tunnel photo by: Matt Brown from London, England / CC BY
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