Audio signals in the factory are also very important because they signal malfunctioning equipment, sound warnings before the start of machine operation, or other useful information. Visual management is an important support for cellular manufacturing. Visual management techniques express information in a way that can be understood quickly by everyone. Sharing information through visual tools helps keep production running smoothly and safely. Shop floor teams are often involved in devising and implementing these tools through 5S and other improvement activities.
Visual information can also help prevent mistakes.
Color coding is a form of visual display often used to prevent errors. Matching color marks is another approach that can help people use the right tool or assemble the right part.