Where in the case of a mistake this time. Affect the strength of the structure directly, because the entire structure requires all weight refers to the weight of the truck, as well as with raw materials that must be weighed.
In the event of a crash, this time. Directly affect the strength of the structure. The entire structure must load all mean. Weight of the truck, including the material that must be weighed.
In which case the error this time. Affect the strength of the structure directly. Because all the structure to get the weight means. The weight of the truck, combined with the raw materials to life.