| Definition: | solid particles, including fibres, where one dimension is greater than 500 µm in nominal size, which can form an explosive mixture with air at standard atmospheric pressure and temperature Note 1 to entry: The ratio of length to diameter is 3 or more. Note 2 to entry: Examples of combustible flyings include carbon fibre, rayon, cotton (including cotton linters and cotton waste) sisal, jute, hemp, cocoa fibre, okum and baled waste kapok.
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