Materials that are not wanted or are no longer useful.

By-products of a process that can sometimes be used for further purposes.

सह-उत्पाद

English Usage: Some waste products from the manufacturing process can be recycled into new materials.

Hindi Usage: उत्पादन प्रक्रिया से कुछ सह-उत्पादों को नए सामग्रियों में पुनर्नवीनीकरण किया जा सकता है।