I
Device for making material changes on other objects, as by cutting, shearing, striking, rubbing, grinding, squeezing, measuring, or other process.
A hand tool is a small manual instrument traditionally operated by the muscular strength of the user; a machine tool is a power-driven mechanism used to cut, shape, or form materials such as wood and metal. Tools are the main means by which human beings control and manipulate their physical environment.
II
[c mediumvioletred] (as used in expressions)
flake tool
machine tool
{{link=tool and die making">tool and die making
tool steel