Is it better to develop oxygen workers or instrument maintenance workers in power plants of iron and steel enterprises?

In fact, the connection between the two positions is similar. Intuitively, I feel that there are many things and technologies in contact with instrument maintenance, because the types of instruments are more complicated; I suggest you use power to make oxygen. What you have learned will be of great help to you in the future. I just choose instrument maintenance. In this way, it is almost difficult to learn the real instrument maintenance technology. Jiangsu Shagang Yonggang and Inner Mongolia Angang Group, including Baotou Steel, are in the same situation. Oxygen can really learn something, and instrument maintenance is like doing odd jobs. The result is not very proficient.