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A tool is any physical item that can be used to achieve a goal, especially if the item is not consumed in the process. Tools are use by human dates back millions of years. Tools that are used in particular fields or activities may have different designations such as instrument, utensil, machine, device and apparatus. The set of tools needed to achieve a goal is equipment. The knowledge of constructing, obtaining and using tools is technology.
A power tool is a tool that is actuated by an additional power source and mechanism other than the solely manual labour used with hand tools. The most common types of power tools use electric motors. Internal combustion engines and compressed air are also commonly used. Other power sources include steam engines, direct burning of fuels and propellants even natural power sources like wind or moving water.
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Power tools are used in industry, in construction, in the garden, for housework tasks such as cooking, cleaning, and around the house for purposes of driving, drilling, cutting, shaping, sanding, grinding, routing, polishing, painting, heating and more.
Power tools are classified as either stationary or portable, where portable means hand-held. Portable power tools have obvious advantages in mobility. Stationary power tools however often have advantages in speed and accuracy and some stationary power tools can produce objects that cannot be made in any other way. Stationary power tools for metalworking are usually called machine tools.
A hand tool is any tool that is powered by hand (manual labour) rather than by an engine. Some examples of hand tools are garden forks, secateurs, rakes, hammers, spanners, pliers, screwdrivers and chisels. Hand tools are generally less dangerous than power tools.
List of Tools
- General Tools
- Hand Tools
- Power Tools
- Engineering Tools
- Machine Tools
- Mechanical Tools
- Accessories
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