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Nearly all tools can be used to function as a hammer, [39] even though few tools are intentionally designed for it and even fewer work as well as the original. Bicycle multi-tool. Tools are often used to substitute for many mechanical apparatuses, especially in older mechanical devices. In many cases a cheap tool could be used to occupy the ...
This list excludes tools and tool use attributed to non-hominin species. See Tool use by non-humans. Since there are far too many hominin tool sites to list on a single page, this page attempts to list the 6 or fewer top candidates for oldest tool site within each significant geographic area.
A wrench or spanner is a tool used to provide grip and mechanical advantage in applying torque to turn objects—usually rotary fasteners, such as nuts and bolts—or keep them from turning. In the UK, Ireland, Australia, and New Zealand spanner is the standard term. The most common shapes are called open-ended spanner and ring spanner.
A hand tool is any tool that is powered by hand rather than a motor. [1] Categories of hand tools include wrenches , pliers , cutters , files , striking tools , struck or hammered tools , screwdrivers , vises , clamps , snips , hacksaws , drills , and knives .
Stones attached to sticks with strips of leather or animal sinew were being used as hammers with handles by about 30,000 BCE during the middle of the Paleolithic Stone Age. The addition of a handle gave the user better control and less accidents. The hammer became the primary tool used for building, food, and protection. [7]
They are used in some rural areas as an amulet to protect against storms. Handaxes are generally thought to have been primarily used as cutting tools, [1] [4] with the wide base serving as an ergonomic area for the hand to grip the tool, [5] though other uses, such as throwing weapons and use as social and sexual signaling have been proposed. [1]
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