电子垃圾中的材料包括铁、铜、金、银和铝，这些材料可以被重复利用、转售、废物利用或回收。
The materials from e-waste include iron, copper, gold, silver, and aluminum materials that could be reused, resold, salvaged, or recycled.
这些构件对模式的创建非常有价值，因为它们能以一种简单的方式被重复利用。
These artifacts are very valuable for the creation of patterns because they can be reused in a simple manner.
更重要的是，它将允许工厂被重复利用，从而减少进一步开发新气田的费用。
What is more, it would allow the plant to be reused, reducing the expense of tapping new fields yet further.
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