The International Association of Lighthouse Authorities (IALA) buoyage system “A” uses some marks to distinguish safe navigation. Which types does not belong to the system? A. lateral marks and cardinal marks B. safe water marks C. isolated danger marks and special marks D. dangerous water marks

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Our price is ______ as compared with that in the international market.

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“PAN” is the international RTF__________signal.

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“MAYDAY” is the international RTF signal.

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_____is awarded the 2013 Nobel Prize in Literature for her work as“master of the modern short story”,and the 2009 Man Booker International Prize for her lifetime body of work.

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The standard sized flanges provided at every strategically positioned fire hydrant on board are known as ___ .A. isolating valve B. international shore connectionC. relief valve D. fire control plan

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