Corrosion is the reaction of a metal with another material. These reactions are usually with very low PH or acidic materials such as sulphuric acid or reactions with high ph or basic materials such as sodium hydroxide.
... and film director (+ 1964)
February 11 - Henry LaBouisse[?], head of UNICEF (1965-1979)
February 11 - Sir Keith Holyoake, New Zealand Prime Minister (1960-1972)
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