如果在上游发现了问题，或者如果我们停止生产产品，由于在制品库存，报废率会更高。

If something wrong is found upstream, or if we stop building the product, the scrap will be higher due to the in-process inventory.

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在这种方法中，它的关注点是“限制在制品的数量”、“连续流通”和“拉动式”，同时允许团队(或者管理人员)借其改进工序。

In this approach, the focus is on "Limits WIP", "Continuous Flow" and "Pull", at the same time, allowing the team (or manager) to use it for process improvement purposes.

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看板的目的是通过确保只有当下游工序需要时上游工序才生产零部件，进而最大限度地减少工序(process)之间的在制品(Work - In - process, WIP)或者库存。

Kanban's aim is to minimize WIP (Work-In-Process), or inventory, between processes by making sure that the upstream process produces parts only if its downstream process needs it.

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