In mass production system, assembly line balance impact the efficiency of the whole manufacturing system.

在大批量生产制造系统中，装配线平衡问题关系到整个生产制造系统的效率。

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That education is the job of professionals, and that by putting children on the assembly line of our modern system of compulsory education, we will somehow churn out well-educated citizens.

FORBES: The Un-Education of a Nation: Where We Went Wrong

When a request from a dealer comes in, the system figures out the availability of parts nearby, the time to resequence the assembly line and whether the change would unbalance the line by scheduling, for example, too many models loaded with time-consuming options one right after the other.

FORBES: Just in Time Meets Just Right