One way to prevent crime is to use CPTED, also _______ Crime Prevention Through Environmental Design.

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One way to prevent crime is to use CPTED, also _______ Crime Prevention Through Environmental Design.

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Researchers have tried to identify the cause of SARS one way or () ,there is, however,a long way to go.

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Researchers have tried to identify the cause of SARS one way or （)there is, however, a

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To prevent unwanted friction, polish the surface.

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Use cellophane to prevent damage to the surface.

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