Which statement best describes lean in operations?

• A. A method to increase batch sizes.
• B. A philosophy focusing on eliminating waste and maximizing value.
• C. A system to store more inventory.
• D. A process to automate shipping.

Answer: (B)

Lean in operations is about eliminating waste and maximizing value for the customer. It focuses on streamlining every step of a process to remove activities that do not add value, while ensuring the product or service flows smoothly toward the customer. The goal is to reduce delays, excess inventory, defects, overprocessing, and unnecessary motion, and to continually improve how work is done. When you apply lean, you emphasize what customers actually need, pull work based on demand rather than pushing it through, and use practices like standardized work, just-in-time delivery, and visual management to keep processes efficient and reliable.

So why do the other ideas not fit the description? Increasing batch sizes typically creates more inventory and longer lead times, which lean aims to minimize. Storing more inventory ties up capital and space and can mask problems rather than solving them. Automating shipping can be a useful tool, but it isn’t the defining idea of lean—lean is about waste reduction and value creation, with automation being one possible means to that end.