Regulation of food and dietary supplements by the U.S. Food and Drug Administration whether it is to be regulated as a food or as a drug, based on the claims that the manufacturer or seller makes about its properties. The FDA is authorized to issue a standard of identity for any food. This is a description of what, exactly, must be in that food in order for it to be identified under a certain name. For example, a court has upheld an FDA ruling that for a product to be sold as cream cheese, it must contain a specified minimum percentage of milk fat, and a maximum level of moisture. Incorrectly identifying a
Carrying wheel Carrying wheel A carrying wheel on a steam locomotive is a wheel that is not driven; i.e., it is uncoupled and can run freely, unlike a coupled or driving wheel. It is also described as a running wheel and their axle may be called a carrying axle. A carrying wheel is referred to as leading wheel if it is at the front, or a trailing wheel if it is at the rear of the locomotive. In particular reference to steam engines, the carrying wheels have a very important purpose of allowing the engine's weight distribution to be altered. For example