An curved arrow pointing right. When Seattle decided to put in a new highway tunnel beneath the city, a machine was specially built to dig the 2-mile long, 57-foot wide project. The 6,700 ton ...
An curved arrow pointing right. The trenching machine is used to lay down water pipes and fibre optic cable. It can dig holes up to 5.5 metres deep and 1.5 metres wide. Produced by Jasper Pickering.
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