how to remove oil based paint Read more Positive economic profit is sometimes described as excess profit. Japan's industrial standard, JISK 0101, defines a car as a vehicle equipped with an engine and a control device that can still drive on land without a fixed orbit or overhead line. In the late 19th and early 20th century, with the transition from free capitalism to monopoly capitalism, the factory itself had undergone complex and profound changes. Constantly adopt new technology to make the production rapid development; The scale of production keeps expanding, competition intensifies, and a large-scale monopoly enterprise is produced. The separation of rights and ownership and the formation of a professional management stratum; The scientific management system has been established, and a series of scientific management theories have been formed to make the enterprises mature and become modern enterprises.