Manager quality assurance Department is responsible for considering whether a measuring instrument calibration must be performed, and then define the identification of tools and the highest error value of acceptable tools.
Quality Assurance Manager is responsible to determine whether the instrument has to be calibrated and set one of the tools. And the maximum error of acceptable.
Manager of quality assurance department to consider that the tool is required to measure any code สอบเทียบแล้ว set of tools. The error of tool and maximum acceptable.