Conceived as a personal gadget for Internet access, e-reading, playing games, and managing music, photos and more, iPads are now finding their way into the business world. But do they belong in a manufacturing setting? They just might. In addition to tens of thousands of apps, the iPad’s size, lightness and instant-on capability make it more convenient than a typical laptop, and easier to protect from harsh environments. There are several ways machine shops can use iPads to improve productivity. Here are three: