对懂金属的人来说，熔化青铜制品并将其锻造成硬币是相对容易的。
It would have been relatively easy for a person with knowledge of metals to melt down bronze objects and forge them into coins.
由于铅很重，为使廉价的金属制品显得更加坚实，其中常常添进铅。
Because lead is heavy, it is often added to cheap metal products to make them seem more substantial.
重建工作可能也使金属制品的价格达到一个新高度。
Rebuilding work is also likely to push base metal prices to new heights.
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