A harbor crane is a piece of equipment used for loading and unloading cargo, commonly employed at ports or harbors for such operations. They are large mechanical devices typically made of steel and powered by electrical systems, designed to swiftly and efficiently move cargo to meet various types and sizes of loading and unloading requirements. Harbor cranes usually consist of powerful mechanical arms and support systems that can move at different heights and angles to accommodate various types and sizes of cargo. They are commonly installed at ports and harbors and operated by specialized personnel. Due to their size and height, they require strict regulation and maintenance to ensure safety and performance.