Corporate Strategy or Strategic Management Concepts and Cases by Fred R. David, Francis Marion University, Florence, South Carolina, & Forest R. David, Strategic Planning Consultant

8. What is Heijunka in lean?
Heijunka (hi-JUNE-kuh) is a Japanese word for leveling.
It is part of the lean methodology of process
improvement that helps organizations match
unpredictable customer demand patterns and
eliminate manufacturing waste by leveling the type
and quantity of production output over a fixed period
of time.

9. Jidoka
It highlights the causes of problems because work stops
immediately when a problem first occurs.
This leads to improvements in the processes that build in
quality by eliminating the root causes of defects.
Jidoka sometimes is called autonomation,
meaning automation with human intelligence.

10. What is a poka yoke?
Poka-yoke [poka joke] is a Japanese term that means
"mistake-proofing" or "inadvertent error prevention".
The key word in the second translation, often omitted,
is "inadvertent".
... A poka-yoke is any mechanism in a lean
manufacturing process that helps an equipment
operator avoid (yokeru) mistakes (poka).

11. 5S is a workplace organization method that uses a list
of five Japanese words: seiri, seiton, seiso, seiketsu,
and shitsuke. ... In some quarters, 5S has become 6S,
the sixth element being safety.