Word: produce
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Dates: during 1930-1939
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...capacity to mechanical refrigeration and centrifugal driers. Like the Jackling copper process, it permits the use of much lower grade ores-as low as 8%, which is less than half the minimum required by the Shanks process. It cuts labor costs 75%, fuel costs 72%. It means that mass produc- tion has come to Chilean nitrate, that the Guggenheims are even more the masters of the show. For the new Chile Nitrate Co. into which the entire industry has been merged will use the Guggenheim. Process. Gradually the many small Shanks process plants will be eliminated. With mass production working...