part period balancing (PPB):
"A lot size technique that uses look ahead and look back functions to consider additional periods in modifying an initial calculation based on least total cost. "

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Definitions of terms related to part period balancing (PPB):

• Line balancing
• non-significant part number
• p chart
• part number
• parts list
• parts per million (PPM)
• period cost
• Phase-in -out part
• piece part
• Service parts
• Spare parts