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#shipping canal #suez canal #panama canal #ship passage #channel #waterway navigation

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#shipping canal #cargo ship #industrial canal #freight canal #large boat #waterway transport

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#canal lock #shipping canal #barge transport #water level change #lock gate

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#shipping canal #large canal #lock system #panama canal #suez canal #engineered waterway

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#corinth canal #modern corinth #isthmus of corinth #shipping canal