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Greece : TBM ready to start work on Line 4
9.5 meter diameter TBM. A second one will arrive in summer.
https://www.ekathimerini.com/multimedia/images/1202362/tbm-ready-to-start-work-on-line-4/
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://www.ekathimerini.com/multimedia/images/1202362/tbm-ready-to-start-work-on-line-4/
TBM ready to start work on Line 4 | eKathimerini.com
www.ekathimerini.comEngineers of the AVAX-led consortium building Athens’ new 13-kilometer metro line stand next to a tunnel boring machine (TBM) cutter head at the Katehaki site.