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Keywords:
EXCAVATION,
TUNNELS,
MACHINERY,
DRILLS,
CUTTINGS,
DRILLING,
BLASTING,
TRAMWAYS,
VENTILATION,
DAMS,
MOUNTAINS,
CONSTRUCTION,
ROCKS,
WATER,
AIR,
COMPRESSED,
PLANT,
PRESSURE,
WATER SUPPLY,
BLASTING,
RUBBLE,
CONCRETE,
EARTHWORKS,
EXPLOSIVES,
GELATINE,
PERIYAR,
MADURA,
INDIA,
ASIA
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© Thomas Telford and ICE
1897
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