有专门车间生产、专用仓库保管，专人负责管理；

They have a special workshop for production, special warehouse for storage, and special personnel in charge;

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此外，乌鲁克的一小片区域可能也挖掘出了一个专门从事金属制造的生产车间。

Also, a specialized metal-producing workshop may have been excavated in a small area at Uruk.

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钣金工人专门研究钣金产品的现场安装或车间制造，或安装设备和系统的维护和维修。

Sheet metal workers may specialize in on-site installation or shop manufacture of sheet metal products, or servicing and maintenance of installed equipment and systems.

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