Why can't tornadoes recruit people?

The traditional machining industry is gradually shrinking. A stranger is a profession that requires professional skills and experience. Mainly responsible for the processing, adjustment and finishing of metal materials in the process of mechanical processing. With the transformation, upgrading and intelligent development of manufacturing industry, the traditional machining industry is gradually shrinking, while the emerging high-tech manufacturing industry and service industry are more favored by people, which makes it difficult to recruit jobs in traditional machining industries such as stock twisting workers.