From this mechanical standardization of consumable goods it follows, on the one hand, that the demand for goods settles upon certain defined lines of production which handle certain materials of definite grade, in certain, somewhat invariable forms and proportions; which leads to well−defined methods and measurements in the processes of production, shortening the average period of "ripening" that intervenes between the first raw stage of the product and its finished shape, and reducing the aggregate stock of goods necessary to be carried for the supply of current wants, whether in the raw or in the.