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nature : watches, also known as oil. In addition to the watches bearing lubricant. Axis and can reduce the friction bearings. The low viscosity requirements, not volatile, diffusion, oxidation, and non-corrosive acid. At low temperature is not easy to freeze. Dolphins are oil, cattle foot oil, such as silicone oil. With oil more famous dolphin. The viscosity of silicone oil temperature changes of small, and non-corrosive acid, oxidation is not easy, not easy to freeze, but easy to spread, poor lubrication properties.
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