Stone-age man left arrowheads there; bronze-age man built barrows.

石器时代的人类将剪头遗落在那。 青铜器时代留下了很多古冢。

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For instance, bronze is allocated to different places for the manufacture of arrowheads or swords, with a note telling how many smiths in each place are active and how many are not.

举个例子,青铜分配到,不同地方用于制造箭头,或者刀剑,然而每个地方能劳动,和不能劳动的铁匠数目都有记录

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Arrowheads dating from the Bronze Age were also discovered.

BBC: nit comb