One side of the mobile crane arm should be clearly marked.

What should be marked on one side of the mobile crane arm? One side of the mobile crane arm should be marked with striking warning signs. These warning signals may include the following:

1, warning icon or sign: a red warning triangle icon with black scissorhands or a big "No" on it to attract people's attention.

2. Text description: Text description is attached to the sign to remind people of safety matters in concise language, such as "Pay attention to lifting", "Keep away" and "Don't touch".

3. Safety color: Use bright and eye-catching colors, such as red, yellow or orange, to highlight the signs and attract people's attention. Crane is a kind of equipment used to lift and carry heavy objects. It consists of a bracket, an arm, a motor, a winch or a hydraulic system.