After sharp bone chisels were used to cut the designs into the skin , a soot-based pigment would be tapped into the open wounds , which then healed over to seal in the design .

在用尖锐的骨头凿子刺破皮肤后，一种用烟灰制成的颜料被涂进伤口里，伤口痊愈后，这种颜料就被密封进了皮肤。

Even without metal chisels or hammers prehistoric masons wielding flint tools could have chipped away at softer limestone outcrops shaping them into pillars on the spot before carrying them a few hundred yards to the summit and lifting them upright .

即使没有金属的凿子或锤子，史前的石匠梦使用的打火石制成的工具也能凿开石灰石柔软的表层，将它们打造成柱子，然后将它们运到几百码外的山顶上，并将它们竖起来。

He chisels like this every day .

他每天这样一凿一凿。

Woodworking tools -- chisels and gouges .

木工工具--凿子和半圆凿。

They mainly used stone hammers , along with copper chisels for detailed finished work .

他们主要使用的是石锤，配合铜质的凿子来完成收尾的细节工作。