The whole process is seen as one operation, as the operative must complete the one task before they can move on to the next job. The same person or team of people will work on it during this entire time. The business is able to tailor the needs of the customer to the final product, making it unique.This is when the product is made one item at a time as customers request it, and therefore are only sold individually. Often a few similar units will be made at the same time.
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