Question

what is the conventional sign for pontoon bridge?​

Answer 1

Hope this will help you. (♥ω♥*)

Answer 2

Answer:

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Explanation:

The common symbols including letters that are used for representing various relief and cultural features are called conventional signs. ... Different colors are used for showing different objects in the conventional signs such as water is shown by blue color, vegetation by green and man-made objects by black color.