Canadian machinery and metalworking (January-June 1919) . Expenditure o flabor through in^efficient methodsis a waste notonly of labor,but of time andmoney, all ofwhich should beexpended for the storing- and handling of oil and gasolinewill conserve 70$ o of the labor necessarily expended by less efficient methods. They also conserve—1 Machinery Time • Lives Space Property Capital Material

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectmachinery, bookyear19