| 11. | Nautical charts are issued by power of the national hydrographic offices in many countries.
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| 12. | Outputs are nautical charts, navigational warnings, tide and current predictions.
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| 13. | Almost all nautical charts once indicated where gas pipes run.
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| 14. | Nautical charts must be labeled with navigational and depth information.
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| 15. | The atlas is composed of eight sheets of nautical charts.
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| 16. | The result of this is that scale in a nautical chart is dependent on latitude.
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| 17. | Maps treating directions, like as nautical chart and aeronautical chart, are projected by conformal projections.
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| 18. | Nautical charts produced throughout the world will show the protected zone and reflect its requirements.
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| 19. | This Mercator projection would be widely used for nautical charts from the 18th century onward.
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| 20. | Conventional nautical charts are printed on large sheets of paper at a variety of scales.
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