Túneles

Tunnel

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Red de Metro

Red Metro

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Carreteras y Puentes

Roads and Bridges

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Red Nacional de Ferrocarriles

National Railways Network

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Red Ferroviaria | Cercanías

Railway Network | Surroundings

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Métodos de Excavación Convencional

Conventional Excavation Methods

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Túneles de Tierra

GROUND TUNNELS

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Remodelación de Estaciones y Paradas de Metro

Remodelling station and depots

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Extensión de Lineas de metro

Extension lines

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Consolidación y Reconstrucción

Consolidation and reconstruction

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