In lean tools, what does a system preventing incorrect orders represent?

• A. Standard work
• B. Kanban
• C. Poka-yoke
• D. Visual factory

Answer: (C)

The concept of preventing incorrect orders aligns with the principles of Poka-yoke, which is a Japanese term meaning "mistake-proofing" or "error-proofing." This approach aims to design processes that help operators avoid mistakes by implementing mechanisms that either eliminate the possibility of errors occurring or make them immediately obvious when they do.

In the context of preventing incorrect orders, Poka-yoke techniques can include visual cues, automated systems, or simple physical modifications that guide workers in the correct steps to take. For example, implementing color-coded bins for different products or automated systems that only allow the selection of appropriate parts for specific orders can prevent missteps in the ordering process.

By focusing on reducing human error through these types of safeguards, Poka-yoke plays a critical role in ensuring quality and efficiency within lean management practices, making it a fundamental tool for enhancing operational process integrity and customer satisfaction.