Category 1: Lean Basics
Category 2: Workplace Organization
Category 3: Flow and Pull Systems
Category 4: Problem Solving and Improvement
100

This Lean philosophy focuses on creating more customer value while using fewer resources.

What is Lean?

100

This five-step method organizes a workspace through Sort, Set in Order, Shine, Standardize, and Sustain.

What is 5S?

100

This system uses visual cards or signals to control work and inventory based on demand.

What is Kanban?

100

This Japanese term means continuous improvement through small, ongoing changes.

What is Kaizen?

200

This term refers to any activity that consumes resources but does not add value for the customer.

What is waste, or muda?

200

In 5S, this step removes unnecessary items from the work area.

What is Sort?

200

This production approach makes only what is needed, when it is needed, and in the amount needed.

What is Just-in-Time?

200

This four-step improvement cycle stands for Plan, Do, Check, Act.

What is PDCA?

300

This Lean principle asks teams to identify what the customer actually values before improving the process.

What is value?

300

In 5S, this step arranges needed items so they are easy to find and use.

What is Set in Order?

300

This Lean concept means work is triggered by downstream demand instead of upstream schedules.

What is a pull system?

300

This problem-solving technique asks “why” repeatedly to identify the underlying cause of a problem.

What is the 5 Whys?

400

This Lean principle focuses on making work move smoothly from step to step without interruption.

What is flow?

400

This Lean approach uses signs, labels, colors, boards, or dashboards so process status is easy to understand at a glance.

What is visual management?

400

This term describes the pace of production needed to meet customer demand.

What is takt time?

400

This one-page Lean problem-solving format usually includes background, current condition, root cause, countermeasures, and follow-up.

What is an A3?

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