A car that has been modified to transport specialized goods. The lack of enthusiasm and patience by apple's spoilt consumer groups to adapt to the development of terminology and unusable workflows has created new demand for products. In 1937, American economist Robert coase (R. H. Coase's publication of the essence of the enterprise is considered to be the beginning of a discussion on this issue. Modern economy, the interest rate as the price of money, not only restricted by many factors in the economic and social, and changes in interest rates to have a great impact on the economy as a whole, as a result, modern economists are studying the interest rate decision problem, pay special attention to the relationship between the variables and the balance of the economy as a whole, the interest rate decision theory has experienced the classical interest rate theory, Keynes's interest theory, interest rate in loanable funds theory and is-lm analysis as well as the contemporary evolution of dynamic interest rate model, the development process. Whether the method of loading is finite or infinite, when work arrives, decisions should be taken on an order when the work will likely be tackled. This activity is termed sequencing. The priorities given to work in surgery in many cases are dependant on some predefined pair of rules, a few of which are relatively complex. New participants in the education blockchain ecosystem