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In the intricate web of modern logistics and transportation, tractor-trailer trucks play a crucial role in the movement of goods across vast distances. These powerful vehicles, often referred to as semi-trucks, consist of a tractor unit and one or more trailers, making them an efficient choice for transporting heavy freight. This article explores the significance of tractor-trailer trucks, their operations, and the challenges they face.


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Passenger vehicles can be classified into several categories based on their design, capacity, and intended use. The most common type is the automobile, which is typically designed to carry one to five passengers. This category includes sedans, hatchbacks, coupes, and convertibles. Then there are vans and minivans, which accommodate larger groups, often seating six to eight people. Larger passenger vehicles, such as SUVs (Sport Utility Vehicles) and crossovers, combine features of passenger cars with added capability and space, often suitable for both urban and off-road driving.


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