Check out some of the largest buses in the world for public transport and the most luxurious buses. Professional driving jobs will always have excellent career opportunities for ambitious individuals. There is a wide range of job types available in professional driving across many industries. Videos like this one in SchoolTube’s Auto Truck and Tractor category highlight vehicle operations and career fields for your enlightenment. Examples of these vehicles include a pickup, garbage truck, or anything that can haul higher-weight materials. The same definition is also why some people call a moving dolly a truck– it just means that it is designed to carry a heavy load. A truck is usually defined as a large, heavy motor vehicle used for transporting goods, materials, or troops. A tractor is typically defined as a powerful motor vehicle with large rear wheels, used chiefly on farms for hauling equipment and trailers.