A product scheduled at the same time as like products due to setup, facility constraints or process optimization considerations.

Another description for by-products including hide and offal.

When more than one unique part results from a production run. E.g., multiple parts from a progressive die in stamping or multi-cavity mold in injection molding.

A material generated by a manufacturing process that is consistently equivalent to the physical manufactured product if the use presents no greater harm to the environment that the use of the product.

In an industrial process, a substance that is also formed along with the substance being manufactured.