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Power tools are nothing but a tool that are operated or powered using an electric motor. The motor can be of compressed air motor or gasoline engine. The power tools can be classified into two types namely portable or stationary. The portable power tools are handheld. These handheld power tools are often used in industries, while construction, cutting, shaping, drilling, painting, sanding, polishing and grinding etc. Stationary power tools are employed in major works like working with woods, metals etc. The oldest power tool is lathe. The power tools was seen from period of industrial revolution. In those days water wheel and steam engines were used as main power source. The stationary power tools are of high cost. The stationary power tool brings more accurate result than portable one. Today power tool are made so cheap and can be bought easily through online. There are many sites that sell power tools with best quality and quantity.