General Knowledge Trivia Quiz
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6. Difference of detail
In what sphere of activity is it important to distinguish a red nun from a green can?
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Channels used by mariners are indicated with conical red “nun” buoys and cylindrical green can buoys. When coming in to port, the red nuns should be to the starboard (right) of the vessel. Beginning boaters learn a mnemonic phrase, “red right returning”, that encapsulates this rule.
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