Tool book manual _ tool standard specification summarizes the relevant national standards, industry standards and tool books and materials of tools. Tools are tools used for cutting in mechanical manufacturing, also known as cutting tools. Most of the knives are machine-based, but there are also manual ones. Since the tools used in machine manufacturing are basically used for cutting metal materials, the term "tool" is generally understood as a metal cutting tool. Wood cutting tools are called woodworking tools. There is also a special type of tool used for geological exploration, well drilling, and mine drilling, called mine tools.