由于矿体小，传统印石采制主要是手工挖掘。
Because of the small mine, usually the ore was excavated by hand.
我们在演讲大厅附近挖掘，看看能发现什么类型的手工艺品——就是人们之前用过的，在建造校园时被埋掉的东西。
We are excavating near the lecture hall to see what types of artifacts we find—things people used in the past that got buried when the campus was constructed.
Krause提到，在发现X女人手指骨的土层中也挖掘出了手镯和其它手工品，这些东西通常是人类特有的。
X woman's finger bone came from a soil layer that has yielded bracelets and other artifacts usually attributed to humans, Krause notes.
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