gptkb:Panama_Canal_project
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double lock system
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gptkb:Loughborough_Lock
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Traditional canal lock design
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gptkb:Wallingford_Lock
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Traditional British lock design
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gptkb:Cocoli_Locks
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innovative engineering solutions
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gptkb:Hartwell_Lock
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Traditional lock design
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gptkb:Culham_Lock
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Traditional design
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gptkb:Sleaford_Lock
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Traditional lock design used.
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gptkb:Agua_Clara_Locks
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Based on modern engineering standards
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gptkb:Shepperton_Lock
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Traditional British lock design
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gptkb:Saint_Lawrence_Seaway_locks
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chamber design
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