Sherwin has satisfied a throng of professional painters (60% of store customers) with service that puts college graduates at the tinting machines.

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As far as future technologies, Holtzer and Twardowski see a few on the horizon: auto-tinting curtain wall glass is not far away.

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She gestures across the Ribble Valley where a fuzzy sun is rising above the hilltops, tinting the land in olive greens, fox-fur oranges and chestnut browns.

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