What is one of the four types of securing devices drivers can use?

Load locks are a type of securing device used by drivers to keep cargo in place during transportation. They are designed to fit within the trailer and provide a method for preventing the movement of the load, which can enhance safety and reduce the risk of shifting that could lead to accidents or cargo damage. Load locks act as a barrier, typically being adjustable and reliable to accommodate various cargo types, making them versatile for securing different shipments.

On the other hand, while brake pads, winches, and chains have properties or uses related to securing or managing loads, they do not function as primary securing devices in the same way. Brake pads are crucial for stopping a vehicle, winches are primarily used for lifting or pulling, and chains can serve multiple purposes including towing or securing; however, they do not specifically focus on maintaining the stability of cargo in transit like load locks do.