You are hired as a quality analyst by "COMP-FACT manufacturing company. It's production unit produces distinct parts for the computers and assigned with concerned technicians to handle these parts. A separate database is maintained to store all the information related to the parts. The supervisor tracks a given job with job_id, technician identification number, start time and completion time. Now, to ensure the quality and satisfy the customer expectations, recommend any one of the process improvement approach with proper justifications