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50.1 MB (2.4 MB compressed)
5043 x 3469 pixels
42.7 x 29.5 cm ⏐ 16.8 x 11.6 in (300dpi)
FRANCOISE SAUZE / SCIENCE PHOTO LIBRARY FRANCOISE SAUZE / SCIENCE PHOTO LIBRARY
Limescale. Thick deposits of limescale from the electrical element of a kettle. The lime consists largely of calcium carbonate (CaCO3) precipitated out of treated drinking water after boiling.
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