Job TitleJob DutiesCheck raw materials when they arrive.Read blueprints and product guides.Measure items with tools like calipers, gauges, and micrometers.Test how well finished items work.Accept good items and reject bad ones.Write down test results and log data into computers.Tell supervisors when a machine or process makes errors.Skills and RequirementsHigh school diploma or GED.One to three years of factory or hands-on work.Good eye for small flaws and details.Basic math and computer skills.Know how to use testing and measuring tools.Good speaking skills to report problems clearly.