This document discusses quality control and auditing. It defines quality control as a management system that coordinates quality development, maintenance, and improvements to achieve economical production and customer satisfaction. Some key quality control techniques mentioned include JIT, inspection, SQC, and TQM. The document also defines quality auditing as an independent examination to determine if quality activities comply with plans and if those plans are effectively implemented and suitable to achieve objectives. The objectives of an audit are to verify that the quality management system conforms to requirements and is effectively implemented. Types of audits discussed include internal, external, and regulatory audits.