At least 19 steel workers were killed as a result of the incident.
There are now about 142,000 steel workers and around 600,000 retirees.
The film was about three steel workers in extraordinary circumstances.
Then steel workers in the hills above the city reported an unexpected problem.
In 1956, for instance, the company employed 165,000 steel workers.
As the story goes, he was a sort of patron saint for steel workers.
Ultimately, 350,000 steel workers walked off their jobs to demand union recognition.
The sport took hold of the town and local steel workers formed a recreational team.
A witness had seen the retired steel worker in the middle of the road.
The number of steel workers fell from 500,000 in 1980 to 224,000 in 2000.