A four step procedure consisting of purchasing, grading, processing, and quality control making sure a product is fully completed as well is ready to be sold.
A three step procedure consisting of purchasing, grading, and processing.
A procedure in which you check if products are being processed correctly.
A stage in the production process where something is converted from one thing to another.
A step in the production process where items are checked by people to meet the quality control standards.
Referred to the process where metal is extracted.
All of the above