Core scrap

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As solid scrap is called scrap which, in the demolition of buildings made of reinforced concrete is produced. This type of scrap consists essentially of steel girders and reinforcement bars . In particular, the reinforcing iron may have to be crushed with considerable effort before it can be recycled again by melting down during steel production .

In IT, core scrap refers to obsolete hardware that has often been assembled from old parts in a new computer.