Final answer:
The concrete mule is the motorized material handling device among the options given. It is powered by hydraulic or mechanical systems and is used to transport and pour concrete.
Step-by-step explanation:
Among the options provided, the concrete mule is a motorized material handling device. Concrete mules are devices that are used to transport and pour concrete on construction sites, and they are powered by hydraulic or mechanical systems.
Motorized material handling devices are essential for efficient movement and storage of materials in various industries. They can significantly reduce manual labor, speed up processes, and enhance safety.
Examples of motorized material handling equipment include forklifts, conveyors, and automated guided vehicles which all use power sources like electric, hydraulic, or combustion engines. The backhoe mentioned in the provided information is another example of heavy machinery that uses hydraulic and mechanical lever systems to operate its motorized functions.