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“Thank you, tunnel boring machine! Your work here is done.”
―Tyne after finishing drilling the tunnel[src]

The Tunnel Boring Machine is a machine used to excavate tunnels with a circular cross section through a variety of soil and rock strata. Tyne is usually seen drilling with the machine through rock walls; on one ocassion, using it for mining rock down in Rocky Ridge Mine.

The High Speed Link's Tootington Tunnel was drilled by Tyne herself; almost accidentally ruining the foundation to the bridge on the other side.[1]

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