Quality control (QC) associates carry out testing and analysis to ... The product might be a vaccine, a medicine or an enzyme used in food production. Opportunities for employment also are available ...

Quality assurance (QA) prevents and detects quality problems. Quality control (QC) detects errors in the product. QC evaluates the developed product itself. Another way to look at it would be to think ...

Joe Lyberger, a quality control coach working with Ohio State's linebackers, was placed on paid administrative leave last ...