Mechanic, plumber, electrician, roofer, framer, handy-man, general contractor, flooring, painting, siding, lawn-care, landscaping, copy-writer, copy-proofer, web-dev, housemaid, fast food worker, aviation mechanic...

Maybe I don't recognize that it's weird how often I got to / had to do my parents jobs and tour my relatives jobs...

But lots of places have job shadow opportunities, high school made us do one decades ago...I'm sure a motivated kid could replicate the experience today calling around to local businesses with a "hey, I'm interested, not asking for pay, can I swing by and help out or watch for a few hours?"