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POLISHED ALUMINUM SHEET (1/8" x 4 FT) — The reflective surface that bends sunlight into a focal line. Bend it into a parabola, focus 100 suns onto a copper pipe.
POLISHED ALUMINUM SHEET (1/8" x 4 FT) — The reflective surface that bends sunlight into a focal line. Bend it into a parabola, focus 100 suns onto a copper pipe.
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