Joke Collection Website - Bulletin headlines - What color is the logo of the factory equipment?

What color is the logo of the factory equipment?

Factory equipment shall be marked with the following colors:

1, red: indicates danger, prohibition or stop. For example, red landmarks can be used to identify high-risk areas, emergency stop buttons, or prohibited entrances.

2. Yellow: indicates warning or attention. Yellow landmarks can be used to mark potentially dangerous areas, preventive measures or early warning information.

3. Blue: indicates instructions or hints. Blue landmarks can be used to identify equipment operating instructions, indicating arrows or specific work areas.