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  Gravel

Sigma KEE - Gravel

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Gravel
Gravel is a mixture of &Pebbles which are between 2 Millimeter to 64 Millimeter in approximateDiameter in the Wentworth Scale.
Relationships      
Parents 混合物 A Mixture is two or more PureSubstances, combined in varying proportions - each retaining its own specific properties. The components of a Mixture can be separated by physical means, i.e. without the making and breaking of chemical bonds. Examples: Air, table salt thoroughly dissolved in water, milk, wood, and concrete.


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