Research - 'No' Signs

I decided to look at some of the different 'No' signs as part of research for this project. My idea was to include them into the diagram we make to show the things you shouldn't be doing when flagging a taxi. We can add them to make the connection of what is right and wrong much easier  for the reader of our product, as when you first see a 'No' sign your instant reaction is to notice it and now what you can and can't do.

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