As we rolled past a security gate, I was informed that the 40-acre complex we were entering was a former Soviet tank factory. After weaving through a maze of austere industrial structures, we came upon a small building that looked out of place with its bright yellow stucco exterior and its beautiful wood windows. Makrowin, the company located there, manufactures what we in this country call European windows, or "tilt-and-turn" windows (because most of them open by either tilting in at the top or swinging in like a door). This facility was the first stop on a recent trip through...

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