Re-use high-level precision measurement tools to measure, if there is no such precision tool in the factory, it will be sent to a third-party testing agency
Re use the high-level precision measuring tools to measure. If there is no such precision tool in the factory, it will be sent to the third-party testing organization
Re-measure with a higher-level precision measuring tool. If there is no tool with this precision in the factory, it will be sent to a third-party testing organization.