1 Rarely, fistulas occur externally to the skin or internally to another part of the biliary tree, to the pleural cavity or bronchial tree, or to the hepatic artery or portal vein or other vascular structures.
Load factor (aeronautics) In aeronautics, the load factor is defined as the ratio of the lift of an aircraft to its weight and represents a global measure of the stress (load) to which the structure of the aircraft is subjected: where: Since the load factor is the ratio of two forces, it is dimensionless.
Since load factor is an expression of how much energy was actually used compared to the peak demand, customers can use the same amount of electricity from one month to the next and still cause their average cost per kilowatt-hour to drop as much as 40% simply by reducing the peak demand.