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See also: 5s




  1. Sort, straighten, shine, standardize, sustain: a workplace discipline used to ensure reliable work practices and a clean working environment, now used in the West but originally from Japan.

Usage notes[edit]

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  • The original Japanese words were Seiri, Seiton, Seiso, Seiketsu, Shitsuke.
  • It has been claimed that some of the meaning has been lost in translation in order to ensure that the English words all start with the letter S.