25.1 MB (2.3 MB compressed)
3618 x 2424 pixels
30.7 x 20.6 cm ⏐ 12.1 x 8.1 in (300dpi)
MASSIMO BREGA / EURELIOS / SCIENCE PHOTO LIBRARY MASSIMO BREGA / EURELIOS / SCIENCE PHOTO LIBRARY
Metal corrosion experiment. Comparison of the effects of corrosion on a piece of metal with (right) and without (left) anti-corrosion paint. The most common cause of corrosion is oxidation (reacting with the oxygen in the air), but other causes include salt from seawater, sulphur pollutants, stress, heat-related effects, and biological acids.
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