Exposed to atmospheric influences it is more or less rapidly corroded, giving the familiar rust.
Any plug or socket with badly corroded screws should be replaced.
The coffin was apparently of Aberdovey (Aberdyfi) limestone, much corroded.
Excessively corroded metal, or metal treated with filler, emits a duller sound than does unaffected metal.
Rotting container A badly corroded container of radioactive uranyl nitrate was found by a European Union inspector during an investigation of Dounreay in March.