Safety Sign

                       Meaning                     Shape & Colour     Example 

 Prohibition:-You Must Not.  Red Means Stop.  

                    :- Do Not Do.

                    :-Stop.

Mandatory:-You Must Do.    Blue Means Obey.

                    Carry Out The Action 

                    Given By The Sign.

Warning:-Caution Risk Of Danger.    Yellow Means Risk Of Danger.

                Hazard Ahead 

Safe Condition:- The Safe Way.       Green Means Go 

                           Where To Go In

                           An Emergency.