Which lean tool is being utilized by Tiffany when she focuses on cleaning and organizing the storage area?

The correct answer is Five Ss, which is a lean tool that emphasizes workplace organization and cleanliness. The Five Ss stand for Sort, Set in Order, Shine, Standardize, and Sustain. This methodology is designed to create a more efficient and effective work environment by eliminating waste and optimizing workflows.

When Tiffany focuses on cleaning and organizing the storage area, she is essentially applying the principle of "Shine" from the Five Ss. This involves not only cleaning the area but also ensuring that the space is organized in a way that enables easy access and optimal use of resources. By decluttering and maintaining an orderly space, she enhances efficiency and reduces the risk of errors, making it easier for staff to find and use necessary materials.

In contrast, the other options are not specifically focused on cleaning and organizing. Andon refers to a visual management tool used to signal issues in the production process, Heijunka is about leveling production to reduce waste and variability, and SMED is a methodology aimed at reducing setup times in manufacturing processes. None of these pertain directly to the activities of cleaning and organizing that Tiffany is engaged in, making Five Ss the most relevant lean tool in this context.