What are a hammer and chisel used for?
A wood chisel is a cutting tool, used to shape wood. It is important for making mortice and tenon joints, a key component in early buildings and cabinet making. A hammer is sometimes used to drive it through the tough areas. These are finely honed and razor sharp. A stone chisel, sometimes a called a cold chisel, is a cutting tool used to cut and shape stone. It is of hardened steel and is sharp and wedge shaped, though isn't nearly the sharpness of a wood chisel. A cold chisel can also be used to cut metal.