A tool is a work and/or means of production or also a part of the auxiliary tooling aids. As a system from physical components or information or makes it facilitates at all only the completion possible of certain concrete work. The tool is not independently applicable thereby contrary to the machine. It serves its purpose only in the context of its handling by humans (or an animal) or as component within a machine or an apparatus.

In detail the term tool stands for

1. an article or a means for the extension (limited) of the possibilities of an individual, formed for certain purposes, with whom something is worked on or manufactured.
2. the whole of the tools, which are used for a performing (the tool of the carpenter).
3. in computer science used software for the production of other software (e.g. Compiler, interpreter).
4. an aid used in the mass production (mass production), which is manufactured in the tool construction or building of forms.
5. a working on tool used for the treatment of workpieces on machine tools.

Already Schimpansen are able to use not only things as tool to manufacture but also purposefully. In the process of the Steinzeit a great many of the today still usual tools were developed. The oldest a block factory witness, which exceeded the level of the Schimpansentechnik, were probably manufactured 2.4 million years ago by Homo rudolfensis. Metals as material for tools are usual for the Bronzezeit. The most well-known occupation for the production of tools made of metal is that of the Schmiedes.

In order to designate the whole of the means and aids when learning, in the the term of the learning tool became generally accepted. In the instruction everyday life learning tools seem to etc. in the form of booklets, fillers, erasers, rulers, pocket calculators and computer programs (e.g. electronic reference books). They save time, material or settle always same operational sequence. Good learning tools help to provide and carry and for a facilitation of work also to a support of important learning activities.

Tools are called, dependent on their use, also instruments, for example the surgical instruments.

See also

• List of the machine tools
• List of the tools
• Tool use with animals

Related links

• German tool tools in rem-separate

Articles in category "Tool"

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