Activities are conditionally-based on the state of product itself; and driven by what the factory users have already done, and what is left to be done.

活动的进行顺序是以产品当前状态为前提的，取决于工厂用户已完成和剩下工作情况。

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Adjustments for envelope squeeze on seats and valve testing are done by machine during factory assembly.

在工厂组装期间，阀座的封装挤压和阀门测试的调整都是通过机械设备进行操作。

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Adjustments for envelope squeeze on seats and valve testing are done by machine during factory assembly.

在工厂组装期间，采用机械设备对阀座和阀门测试封装挤压进行调整。

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At "Kinky Boots, " the dancing is done by factory workers, who would be out of character breaking into fancy footwork, and drag queens in six-inch stilettos, which aren't designed for pirouettes.

WSJ: Culture City: Searching Every Stage for Broadway Dance

The factory-floor assembly work is done by the members of the International Association of Machinists.

NPR: Boeing Engineers OK Contract; Tech Workers Say No

But the major point about the article is that robots is now getting so cheap that soon enough just about all assembly and factory jobs are going to be done by such robots.

FORBES: The Robots Are Going To Take All Our Jobs: Isn't It Wonderful?