What are buoys?
Buoys are coloured metal floats which are anchored to the sea bed. Their purpose is to warn ships of dangers like rocks, sandbanks or wrecks and to mark out channels for the ships to sail.
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Showing posts with label What are buoys?. Show all posts
Showing posts with label What are buoys?. Show all posts
Friday, January 18, 2008
What are buoys?
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