Quality control involves ensuring that products and services meet specified standards and customer expectations. This process includes systematic inspections, testing, and monitoring at various stages of the supply chain, from production to distribution. Quality control measures aim to identify and rectify defects, maintain consistency, and uphold the desired level of product or service excellence. Retailers utilize various tools and techniques, such as inspections, testing protocols, and quality assurance programs, to minimize defects and deliver products that meet or exceed customer expectations. Effective quality control is crucial for building customer trust, ensuring brand reputation, and minimizing returns or recalls.