1. the color of oil. Analysis by using the color values of oil testing machine, which consists of a glass tube 3 tube: tube water level equal to 2 tubes and tube insert oil 1 tube samples can be tested by bringing oil from the trial. Pour a glass of bulb holders, with about equal to the water in a glass tube, two tubes and then import the color values of the ECU fuel. Note the color of oil, air, 3 colors. Rotate button, the intent of the story sequence of oil saturation of the colors from left to right, and then read the value from the button color rendering intent of the oil. Save and apply the results to compare the quality of oil.
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