3 Ms -These are three Japanese words
associated with lean production
M1 Muda (Waste),
M2 Muri (Overburden)
M3 Mura (Unevenness)
5 Why’s -These
typically refer to the practice of asking, five times, why a failure has
occurred in order to get to the root cause.
5 Ss -These
Japanese words apply to the visual management of a workspace
S1 Seiri (straighten up). Differentiate between the necessary and
unnecessary and discard the unnecessary
S2 Seiton (put things in order). Put things in order
S3 Seido (clean up). Keep the workplace clean
S4 Seiketsu (personal cleanliness). Make it a habit to be tidy
S5 Shitsuke (discipline). Follow the procedures
6 Ms -These
are the six words that are used to title the arms in a fishbone diagram.
The words vary but the most commonly used Ms are:
M5 Milieu (Surrounding Environment),
One could also add Money, Management.
7 Wastes -
W2 Excess inventory;
W3 Waiting time;
W4 Unnecessary transportation;
W5 Unnecessary movement;
W6 Over processing or incorrect processing
8D - A
problem solving method that is structured into eight disciplined steps.
The 8 basic steps are:
D1 Establish a team,
D2 Describe the problem,
D3 Define and verify root cause,
D4 Choose permanent corrective action, Implement
D5 Prevent recurrence,
D6 Recognize and reward the contributors.