"There are angels and weather vanes and the most extraordinary features decorating our rooftops, " she said.

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The PMF bought its 170 naive paintings and shop signs, weather vanes and whirlygigs.

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Look to fundamental market weather vanes as your best bet in determining market sentiment this week, then.

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Coastal vanes: curved structures moored to the seabed, designed to change the direction of part of the wave.

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The nozzle that holds the vanes has a cartridge to protect it from the 830-degree Celsius heat that damaged earlier models.

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The vortex generators themselves are pins or vanes that protrude from the surface and set up microscopic eddies in the boundary layer.

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Tony Benn said of her that politicians were divided between weather vanes and signposts and that Margaret Thatcher was a signpost and he respected that.

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