Mandatory signs, also known as positive instruction signs, are used to instruct people on what they must do in a particular area or situation. They are typically blue with a white symbol and are used in a variety of workplaces, such as construction sites, factories, and schools.

Some examples of mandatory signs include:

• Wear eye protection
• Wear ear protection
• Wear safety helmet
• Wear safety boots
• Wear safety gloves
• Use handrail
• Keep door closed
• Keep gate closed
• No smoking
• No open flames
• No food or drink
• Keep out
• Authorized personnel only

Mandatory signs are an important part of health and safety management. They help to ensure that people are aware of the hazards in a particular area and that they take the necessary precautions to protect themselves and others.

Whether or not you should display mandatory signs in a workplace depends on the specific hazards present in the workplace. However, it is generally good practice to display mandatory signs in any workplace where there is a risk of injury or harm.

Here are some of the benefits of displaying mandatory signs in a workplace:

• They can help to reduce the risk of accidents and injuries.
• They can demonstrate your commitment to health and safety to your employees and other stakeholders.
• They can help you to comply with legal requirements.
• They can improve employee morale and productivity.

If you are not sure whether or not you should display mandatory signs in your workplace, you should consult with a health and safety expert.

Here are some tips for displaying mandatory signs effectively:

• Place the signs in prominent locations where they will be clearly visible to people.
• Use large, clear lettering that is easy to read.
• Use symbols that are easy to understand.
• Make sure that the signs are in the appropriate language for the people who will be seeing them.
• Keep the signs clean and in good condition.

If you have any questions about mandatory signs, you should consult with a health and safety expert.