Imagine you’re playing a long game on your computer or console. Every once in a while, you need to hit the pause button, save your progress, and give your device a break. Well, big factories and manufacturing plants also need a pause or time-out sometimes.

Have you ever bought a new toy or piece of furniture and had to put it together? There’s a manual, some tools, and various parts that all need to fit perfectly. Now, imagine the toy is as big as a house! That’s the kind of challenge millwrights face when they install large machinery.