Assign Id: 30185649A
Candy Urch, 43, an IGU (insulating glass unit) production specialist, works soldering wires that enable the windows to tint effectively in the sun, at SageGlass in Faribault, Minnesota on February 8, 2016. This is one of the wires that she will solder to the frame of the window to complete a circuit.
Photo by Angela Jimenez for The New York Times
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