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Contractors building HS2 have completed work on a pair of innovative extensions to the southern portal of its longest tunnel ...
We estimated that in a group of around 2,000 workers involved in these Queensland tunnel projects, 200 to 300 would develop ...
3d
Bizcommunity on MSNFrom mining to metros: How ventilation technology is advancing South Africa's tunnelsUrbanisation in South Africa is driving increased demand for tunnelling, fuelled by the need for sustainable transport and expanded water infrastructure.While large-scale tunnelling projects remain ...
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