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Blue
An orange triangle sign indicates a slow-moving vehicle on the road.
Advisory speed sign
True
The color of the soil usually indicates the type of minerals and levels of nutrient in the soil.
Its color indicates its quality
It indicates helping and saving sign
plus sign
Plus sign
the endpoint of the titration has been reached. This change in color indicates a chemical change in the solution due to the reaction between the titrant and the analyte. It helps to visually signal when the reaction is complete.
The color of a "no littering" sign is typically red and white, or sometimes blue and white.
The color of the star Indicates its Temperature.