The document lists the names and roll numbers of four students - Yusuf Hussain, Udiyan Kaushik, Sadik Shaikh, and Ali Abbas. It then discusses quality control, defining it and introducing two main methods - acceptance sampling, which monitors quality of manufactured items supplied in batches, and process control, which detects changes in continuous manufacturing processes. The objectives of process control are to detect issues early and allow production to continue smoothly when in control. Common quality control methods mentioned are check sheets, control charts, and statistics reports.