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We have heard this acronym used by others, but the origin of the acronym is a mystery.

TIMWOOD is just another acronym that has been made up to help the brain remember what the 7 wastes are. (The 8th waste of underutilized talent has been removed from this acronym – some add the U at the end to make TIMWOODU!)

T – Transportation
I – Inventory
M – Motion
W – Waiting
O – Over Processing
O – Overproduction
D – Defects

Hope that helps!

Tracy O'Rourke

Tracy is a Managing Partner & Executive Advisor at GoLeanSixSigma.com. She is also a Lean Six Sigma Green Belt Instructor at University of California San Diego and teaches in San Diego State University’s Lean Enterprise Program. For almost 20 years, she has helped leading organizations like Washington State, Charles Schwab and GE build problem-solving muscles.