What is a Trailer?

[DiAngelina]

A type of freight vehicle that lacks its own power and requires the pulling force of a tractor to move. Below are detailed explanations about trailers: 1. Definition: A tractor refers to a large truck that needs a separate cab to pull the cargo container behind it, where the cab can be detached from the container. 2. Classification: There are two types: semi-trailers and full trailers. A semi-trailer, like the Liberation trucks from the 1950s and 60s, has its own cargo container with an additional container attached at the rear, which could carry something like an artillery piece. A semi-trailer means the vehicle itself has a cargo container, but for convenience, an extra container is towed behind, and the rearmost container can be detached—such a vehicle is called a semi-trailer. A full trailer is when the rear cargo container can be detached and requires a tractor to pull it.