You’re Hired. Now Wear This Headset to Learn the Job.

CHILLICOTHE, Ohio — When Toby Bouska Jr. started assembling cabs for Kenworth semitrucks last year, he learned the ropes by observing longtime workers at the factory. But it wasn’t exactly engaging, and he didn’t get much practice doing the job himself.

“It’s them doing the job, and you just have to watch,” said Mr. Bouska, 21, who works at Kenworth’s plant in Chillicothe. “I’m not really good at just sitting there watching.”