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  • Tunnel boring machine in pieces for voyage to Seattleadd to reading list  

    Posted on March 7, 2013 at 5:31 PM

    Updated Thursday, Mar 7 at 8:25 PM

    Bertha, the world record 5-story-tall boring machine, will begin work in Seattle soon. But first, Bertha’s 41 pieces – the largest weighing up to 900 tons – are being loaded on a single ship that will arrive in Seattle later this month.

    By KING 5 News

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