A hand tool is a device for doing a particular job that does not use a motor, but is powered solely by the person using it. Examples are almost endless, from general tools like the hammer to specific tools like calipers.
Photo shows a hammer, different types of pliers, screw driver and a hand knife.
Virtually every type of tool can be a hand tool, although many have also been adopted as power tools, which get their motive power from engines rather than from people.
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