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ACROSS
1)  a cloud of fine particles suspended in a gas
2)  a port city in northwestern algeria and the country's 2nd largest city
3)  scottish philosopher of common sense who opposed the ideas of david hume (1710-1796)
4)  a barrier constructed to contain the flow of water or to keep out the sea


DOWN
1)  united states film maker (1896-1973)
2)  the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics
3)  injure or wound seriously and leave permanent disfiguration or mutilation
4)  either extremity of something that has length

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fume
oran
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