Both are definitely contributing, but automation/process improvements is very apparent in steel production: "In the 1980s, American steelmakers needed 10.1 man-hours to produce a ton of steel; now they need 1.5 man-hours, says Joe Innace of S&P Global Platts." https://apnews.com/cae426730cd74e64932e4be7fa5cdebc/As-Trump...

Or in Austria: "The plant, a two-hour drive southwest of Vienna, will need just 14 employees to make 500,000 tons of robust steel wire a year—vs. as many as 1,000 in a mill with similar capacity built in the 1960s." https://www.bloomberg.com/news/articles/2017-06-21/how-just-...