Final answer:
A forklift is considered a motorized materials handling device because it is powered by an electric motor or combustion engine, unlike a cart, hand truck, or dolly which are manually operated.
Step-by-step explanation:
An example of a motorized materials handling device from the choices provided is a forklift. This is a powered industrial truck used to lift and move materials over short distances. Unlike the cart, hand truck, and dolly which are manually operated, the forklift is powered by an electric motor or combustion engine. Therefore, when the term motorized is used in regards to materials handling device, it usually refers to devices that have a mechanical or electrical apparatus that provides powered mobility.
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