It's been a long time since the days you could succeed on the factory floor with "a weak mind and a strong back," as the adage goes.
Modern manufacturers need people who use their minds more than their bodies.
Today, manufacturing workers need to be computer literate, solve problems when the robots on the line shut down, and work in teams.
The Obama administration says manufacturing companies added jobs for the first time since the 1990s - more than 500,000 jobs in the past 30 months.