How can defect prevention be achieved in manufacturing?

Defect prevention in manufacturing is most effectively achieved through the implementation of quality assurance practices. Quality assurance encompasses a systematic process aimed at ensuring that products meet specified standards and requirements before they reach the customer. This includes establishing well-defined quality control measures, conducting regular inspections, and adopting standardized operating procedures. By integrating quality into every step of the manufacturing process, organizations can identify and mitigate potential defects before they occur, leading to higher quality products and increased customer satisfaction.

The other options do not directly address defect prevention. Increasing product prices may generate more revenue but does not inherently improve the quality of the product or prevent defects. Reducing workforce size could lead to a decline in production quality, as there may not be enough personnel to adequately monitor and maintain quality standards. Focusing solely on customer feedback can provide valuable insights but is a reactive approach that addresses issues after they have occurred rather than preventing them in the first place. Therefore, quality assurance practices stand out as the most proactive and effective method to prevent defects in manufacturing.