Susan Young (on ladder) and Michael Provost work on the last section of tubing for the nature mural at the Plattsburgh Public Library. When finished blue plastic balls as substitutes for raindrops will move through the tubing, symbolizing the water cycle. There's a snag with the completion of the solar powered feature: the heat is warping the plastic corkscrew shaft that moves the "raindrops." So it's back to the 3D printer to manufacture a heat-resistant corkscrew.
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