Chapter 2
Eight Wastes
The concept of waste is a broad concept and tends to be subjective. Therefore, it is important to define this concept. Realizing this, Hiroyuki Hirano defined waste from value aspect. According to Hiroyuki Hirano of Toyota, waste is “everything in the organization that does not process the product nor adds value” (Moreno-Sanchez, Tijerina-Aguilera, Aguilar-Villarreal, & Pilar-Tress, 2014).
At first, there were only seven wastes identified, namely overproduction, waiting time, unnecessary transportation, excessive or incorrect processing, excessive inventory, unnecessary movement, and defects. The experts then put forward the eighth waste. Many types of waste are proposed such as non-utilized skills and capabilities of ...
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