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People who like reply on Vertical Tunnels: Herrenknecht's Shaft Boring Machine (SBM) bores shafts as deep as 2 kilometres in hard rock
Paolo Kerguel
on
Vertical Tunnels: Herrenknecht's Shaft Boring Machine (SBM) bores shafts as deep as 2 kilometres in hard rock
(
1846 days ago
): @Santiago This SBM technology is important not only for the mining industry but...