Which type of conveying equipment would be suitable for transporting small items between floors?

The suitable choice for transporting small items between floors is a dumbwaiter. A dumbwaiter is specifically designed to carry small loads, such as food, books, or other light items, vertically between different levels of a building. This equipment is particularly useful in restaurants, libraries, or any multi-story facilities where efficient movement of smaller goods is required without the need for human transport.

While elevators and lifts can also transport items, they are generally engineered for larger loads, including people and heavy equipment. Escalators, on the other hand, are not designed for transporting goods at all; they are meant for the movement of people.

In summary, the dumbwaiter is the ideal choice when the focus is on efficiently moving small items across different floors, making it the correct and most appropriate answer.