Quality control is difficult to define in maintenance. The customary definition in production is quality, which means consistently producing parts with minimal variation. Maintenance quality generally handles the consequences of the repair, not the repair itself. Maintenance quality might be reduced downtime, reduced scrap, quicker start-up, faster response, no repeat repairs, no interruptions, and satisfied users. Ensure consistent improvement of the product and services to remain competitive; remember that quality comes from a skilled person with good tools, adequate material, and sufficient time to complete the task. A few obstacles might be emphasizing short-term profit, thinking only about the near future, etc.