1.   Carnegie amassed a fortune in the steel industry.

2.   Millions of people have been laid off in the steel industry.

3.   Over the course of the next few years, the steel industry was reorganized.

4.   The same has been happening in the steel industry with the advent of the mini-mills.

5.   The steel industry depends on a regular supply of raw materials.

6.   There was a lack of managerial and technical know-how in the steel industry.

7.   They know about the collapse of the steel industry, the massive layoffs at auto plants.

8.   What if they had run the steel industry?

9.   Recent years have witnessed the collapse of the steel industry.