I am engaged in the research and development of TPE raw materials, and I often hear how this industry calls a person. ), that is, surname processing (male? ), what do you mean?

Work means an engineer. Generally speaking, the person in charge of technology is called X-worker, and the person in the technical department is called X-worker in a company with relatively complete formal departments.

It is not excluded that people who have been in the technical discussion atmosphere for a long time are verbally called X workers.