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  Machine Tools  – 1Ref: NPTEL notes of IIT Kharaghpurand text  Manufacturing – Need and concept ã The progress and the prosperity of human civilization are governed and judged mainly by ã improvement and maintenance of standard of living through availability or production of ample and quality goods and services for men’s material welfare (MMW) in all respects covering ã housing, clothing, medicine, education, transport, communication and also entertainment.  Manufacturing – Need and concept ã The successful creation of men’s material welfare (MMW) depends mainly on ã availability of natural resources (NR) ã exertion of human effort (HE); both physical and mental ã development and use of power tools and machines (Tools), ã This can be depicted in a simple form,  Manufacturing – Need and concept ã where, NR: refers to air, water, heat and light, plants and animals and solid and liquid minerals ã TOOLS: refers to power plants, chemical plants, steel plants, machine tools etc. which magnify human capability.
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