Seattle's Big Bertha tunnel drill blocked by mystery object CBS Mornings 2:21 11 years ago 1 450 064 Далее Скачать
Mystery object blocks world's largest tunnel boring machine in Seattle TomoNews US 0:55 10 years ago 29 710 Далее Скачать
Mystery object blocks world's largest tunnel boring machine in Seattle News Direct 0:36 10 years ago 4 247 Далее Скачать
Seattle Tunnel Partners' work plan for repairing Bertha with narration wsdot 6:44 10 years ago 83 296 Далее Скачать
Big Bertha -- world's largest tunnel boring machine -- facing big Seattle challenge CBS Evening News 2:04 11 years ago 286 219 Далее Скачать
This machine is digging a big hole through Seattle! KING 5 Seattle 2:11 7 years ago 3 163 Далее Скачать
How did the tunnel boring machine "Bertha" get its name? KING 5 Seattle 2:39 6 years ago 1 112 Далее Скачать
Mega Tunnelling Boring Machine (TBM) at Work #shorts Kelvin Academy 0:14 1 year ago 265 435 Далее Скачать
Bertha: a timeline of the tunnel boring machine's progress KING 5 Seattle 1:02 7 years ago 289 Далее Скачать
Seattle's tunnel boring machine finishes digging a hole under the city KING 5 Seattle 7:37 7 years ago 5 557 Далее Скачать
CRL Tunnel Boring Machine breaks through into mined tunnel cavern City Rail Link 0:08 2 years ago 115 595 Далее Скачать
This Machine is Revolutionizing Underground Mining! Drillage Time 0:32 1 year ago 153 565 Далее Скачать
