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Sigma KEE - Cement
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Cement
Cement is a subclass of CompoundSubstance whose instances may contain various minerals or ores, prepared by heating and pulverizing, and used in binding Concrete or in laying brick or stone.
Relationships      
Parents Artifact An Object that is the product of a Making.
  CompoundSubstance The Class of Substances that contain two or more elements (ElementalSubstances), in definite proportion by weight. The composition of a pure compound will be invariant, regardless of the method of preparation. Compounds are composed of more than one kind of atom (element). The term molecule is often used for the smallest unit of a compound that still retains all of the properties of the compound. Examples: Table salt (sodium chloride, NaCl), sugar (sucrose, C_{12}H_{22}O_{11}), and water (H_2O).


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