Focus on the pronunciation of tooling
English definition of “tooling”
/ˈtuːlɪŋ/ noun [U] PRODUCTION
› a set of equipment used for a particular purpose: The factory needs to invest in expensive new tooling to produce the new design. They supply precision tooling for the bodywork of sports cars.
› the process of getting, making, or using the right equipment for a particular purpose: The company has experienced tooling difficulties on its latest products. Three automotive tooling shops have recently gone out of business.