What is the practical significance of the transition of a substance from one state of aggregation to another?

An example of the practical application of the transition of substances from one state of aggregation to another is the remelting of metals in metallurgy for the further production of alloys (for example, bronze). Another example is the storage of nitrogen in a liquid state (liquid nitrogen) and its use in medicine for treatment with cold (cryotherapy). Another example is dry ice (solid state carbon), which is used to store food.



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