The scales employed in industry take many forms depending on the object to be weighed. Thus the scales can be a platform, hanging scale style, U, or adapt many other forms.
These devices can be used to weigh all kinds of objects, animals, people, vehicles, food, drugs, jewelry, finding plenty of specific models for each function.
In each case we will need different accuracies, so that when a food despite such precision is less important than the jewelry though. The absolute accuracy depends on the weight, so ask for much more precise the higher the price of the scale.
