Audit testing of raw materials in production. In case of new raw materials are imported, or make changes to raw materials. Evaluation of the quality of the raw material prior to actual production.
Test check materials in production. In case of import of raw materials or feedstock changes. Evaluation of the quality of the raw material before it goes to production.
Test, check the raw materials. In the case of imported raw materials or changes in raw materials. Evaluation of quality inspection of raw materials before the raw materials to production use.