Or control of the quality of determining the shape, dimensions, materials, quality, sample and other characteristics of a commodity or service and determining the value of the component and its total in such a way that the manufacturer or seller and buyer assigns it to the specifications of the sellers; standardization of production factors for manufacturers, as well as consumers and consumers with varying value and interests, some of which are described below: A. In terms of buyers and consumers, it means that they know and trust the goods and do not walk when they buy Dodley. They are familiar with the price and value of it, and at the convenience of the purchase, it is easy to plan costs and consider the desirable of the goods for them.