Any kind of lift requires a great degree of safety, but never more so than when moving heavy, difficult pieces of machinery. Machine movers are designed to take the heavy lifting out of moving objects like these, so they can be transported safely and more easily. They allow machines to be loaded onto them easily using jacks (or to be lifted on where possible), where they will then be secured with ratchet straps to make the lifting process safe.
Machine movers might be used in a number of environments, from a factory floor, to a warehouse, to a home when moving out. The main thing that they will do is make lifting processes safer, so that they can be completed with minimal risk to the people operating the machine movers. As long as you use a mover with the right capacity, you will have the tools you need to lift more safely.