Now complex machines, which need money and technical inventions, have replaced them.

When will machines replace soldiers on the front line?

And in instances where machines have replaced workers, the men, not the women, are the ones to operate them.

The company was in business for some 50 years, eventually closing in 1990 after new machines replaced older technology.

Each machine replaced 200 workers and could be operated by only one driver.

"What I'm going to show people, in this match, is that the machine can never replace the human being," he tells the press.

The newspaper said the machine would replace 12 musicians, reducing the orchestra to nine.

But what if that new machine replaced an old?

Along the way, people may lose their jobs as machines replace, at least partially, the skills of human workers.

Many traditional job skills have become irrelevant as machines replace man in more and more jobs.