This lists how many, of what components, are needed for each item (part, sub assembly, final assembly, finished product) of manufacture.

这个清单列出制造每个项目(零件，组件，总装，成品)所需要的原料数量和种类。

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Every item that is part of an airplane, down to its nuts and bolts, must be certified as safe before the FAA approves that type of plane as safe for flight.

NPR: NTSB Probes Safety Testing Of Boeing 787 Batteries

Shops that donate part of a item's sale price to charity must also state exactly to what extent the charity will benefit.

BBC: Time to be clear about charity donations

How can Barkin bear to part with every item fashioned by the man she calls "the single greatest jeweler of our time"?

FORBES: The Cult Of JAR