Table 2

Lean waste

Lean wasteExplanation
OverproductionTo produce things that are not required by customers. Leads to waste of resources Kang and Manyonge (2014)
WaitingWaiting due to slow process or unnecessary delays because of wasteful activities Kang and Manyonge (2014)
TransportationMoving items from one place to another, rather than delivering them to the point of use. This can be reduced by implementing a standardized approach to processes in the workplace setting Kang and Manyonge (2014)
Over-processingOverprocessing or doing extra work to create a product. Extra work adds extra steps and nonvalue-added activities to the process Kang and Manyonge (2014)
Excess InventoryItems or inventory that is not required by the customer. This leads to storage of unwanted items and waste of resources, such as space, time, and money Kang and Manyonge (2014)
DefectsDeviation from standard design or the customer's expectations that would lead to waste of resources. The final product does not meet the customer's expectations; so it is either not purchased or creates dissatisfaction Kang and Manyonge (2014)
Excess motionWasteful motion that does not add any value to the manufacturing process. Standardized processes and clear roles and responsibilities can help in avoiding excess motion Kang and Manyonge (2014)

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