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Machine Tools
Nowadays, a wide range of latest machinery is manufactured and readily available in the market. Constant research and development activities have evolved the modern concept of machine tools; that is basically a category of machines used as tools for manufacturing other machines. Hence, a machine tool can be termed as a powered mechanical device that is generally used to fabricate metal components of machines; which is also known as machining and refers to the selective removal of metal.
Machine tools are commonly powered by electricity and can be operated manually or controlled automatically. Traditional machines used flywheels to balance their motion and consisted of a complex system of gears and levers, for controlling the machine as well as the piece used for that activity. Later on machines that could be controlled by computers were developed in order to provide better flexibility in the manufacturing process. Such machines can repeat a specific sequence for longer durations, and produce even more complex pieces; as compared to the skilled machine operators.