When you hear the words printing machine, you might imagine newspapers rapidly rolling off the presses. But printing machines put words and designs on almost any kind of material, from plastic to glass to metal -- and there’s a person behind every one.
Printing-machine operators do more than run the machines. They keep a close eye on them, jumping in when there are problems, such as jams and ink spots. And they need to be lifelong learners, too, to keep up with new technology.