Comment on "World Tunnel Congress 2020 Kuala Lumpur - WTC2020"
...to lschmidt@tunnelsupplies.com #TBM #NATM #Tunnel #Tunnels #Tunnelling #LED #LEDLightning #LEDLights #LEDstrip #Supplies #Walkway #Pipe #BracketHS2 Job: Tunnel Surveyor (Job location: Northolt Tunnel West)
...of tunnelling. Guidance Control surveys – Traverse conducted every 60m of tunnelling. Extending the tunnel control network – new bracket every 60m of tunnelling. Ex...
cover tunnel photo by: Matt Brown from London, England / CC BY
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