What is waste?
Waste is, in fact, the opposite of value (a capability delivered to the customer through which the customer attains a tangible or intangible benefit).
So whatever feature or functionality or process step that neither adds value nor is used will be considered waste and should be eliminated from the system/product/process.
The seven wastes listed below were identified in manufacturing in the Toyota Production System (TPS) by Shigeo Shingo:
۱) Inventory: Unfinished goods (also called as “work in progress,” or WIP)
۲) Overproduction: Producing more than the demand requires
۳) Extra processing: Additional steps in the process that aren’t really needed
۴) Transportation: Shipping the goods from one place to the other
۵) Waiting: Lag between process steps
۶) Motion: Moving around within the process
۷) Defects: Flaws in the deliverables that impact their features/functionality
Reference: scrumalliance.org
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