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The Story of Hydraulic Fluids

The original hydraulic fluid, dating back to the time of ancient Egypt, was water. In today's applications synthetic hydraulic fluid has been specifically designed to help improve the energy efficiency of the machinery in which it is used. Its primary function is to convey power. Hydraulic systems will work most efficiently if the hydraulic fluid used has low compressibility. Other important functions of hydraulic fluid include protection of the hydraulic machine components.

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