Stop sign wallpaper on telephone / page 7

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Road sign on a blue sky background

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Rusty metal radiation sign

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A sign of a biological epidemic on a yellow background

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Speed sign on blue sky background

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A large biohazard sign

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Green sign of biological contamination

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Yellow sign on black background

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Radioactive sign black white

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Zodiac signs. A candle on the table. An open book. Antique compass

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Road signs in America. Street signs in the USA

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Light off sign on black background

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A symbol consisting of squares denoting a sign