Mr. Marsh and his brother-in-law Hyman Golden originally ran a Brooklyn-based window-washing and office-maintenance business.

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Authorities in recent days talked about the 72-hour "golden period, " which they said offered the best window for saving the lives of the injured and trapped.

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An Kun works as a window-washer and Wang Mei is a masseuse at the Golden Basin Foot Massage Palace.

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