And once we got very close to the bone, we were using dental picks, needles, and brushes.

一旦我们非常接近骨头，我们就会使用牙签、针和刷子。

Here, you can see volunteers and technicians removing extra rock from the bones, using dental picks and brushes.

在这里，您可以看到志愿者和技术人员使用牙签和刷子从骨头上去除多余的岩石。