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Results for "rock crashing"
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Richard James Robbins (1933 - 2019) (Born: 1933 - Died: 30 May 2019 - Seattle, USA) Dick Robb...lly born into tunnelling. He was the son of James Robbins, the inventor of the rock Tun...
Why choose Mechanized Tunnelling over Mechanized Tunnelling? Or vice versa?...xcavating, if the soft ground unexpectedly turns to rocky ground, you can easily emplo...another technique more suitable for excavating the rock....
cover tunnel photo by: Matt Brown from London, England / CC BY
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