4th. Savings in labor: (a) By the lowness of the walls... (b) in the use of unskilled labor in building walls, by backing the face stones with concre… - Ernest Flagg

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4th. Savings in labor: (a) By the lowness of the walls... (b) in the use of unskilled labor in building walls, by backing the face stones with concrete, and placing the face stones in the forms dry without the use of mortar, except for pointing... (c) in the simplification of woodwork, especially in the hanging of windows and doors, and in the setting of trim... (d) in the application of hardware, chiefly on account of the kind of hinges used... (e) in the standardization of parts and the use of similar members... (f) by cutting about one-half the labor in the installation of plumbing drainage... and (g) by the greater use of machine and shop work, which the exposed structural members permit of.