Installation of a specialized tower crane with a capacity of 25t × 11m is an industrial process for transporting mechanical equipment or other objects from one place to another. Most lifting machinery starts a vertical or horizontal working stroke after the lifting device picks up the material. After reaching the destination, it unloads and then travels empty to the picking location to complete a task, and then performs a second lifting operation. During the operation of lifting machinery, material retrieval, transportation, and unloading are carried out sequentially, and the work of each corresponding mechanism is intermittent. Crane machinery is mainly used for transporting bulk items. Equipped with grab buckets, it can transport loose materials such as coal, ore, and grain. Equipped with buckets, it can lift liquid materials such as molten steel. Some lifting machinery such as elevators can also be used to carry people.