CORRECTION

A photograph in the Technology Supplement, Page 19A, SN, Feb. 28, 1994, was misidentified. The photograph that ran, mistakenly, was of Jerry Purdy, director of produce purchasing at Giant Food, Landover, Md.

A photograph in the Technology Supplement, Page 19A, SN, Feb. 28, 1994, was misidentified. The photograph that ran, mistakenly, was of Jerry Purdy, director of produce purchasing at Giant Food, Landover, Md.

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