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• Korea: Franchising MARKET OVERVIEW According to a 2019 report by the Ministry of Trade, Industry and Energy (MOTIE), 4,631 Examples of the services include hair salons, cleaning services, repair services, etc. blog.naver.com · 2020.07.28
• 항공,우주 관련 공학 도서 (해석) Coverage of elasticity, energy methods and virtual work set the stage for discussions of airworthiness Numerous worked examples, illustrations and sample problems show how to apply the concepts to realistic blog.naver.com · 2020.02.20
• 마찰 관련 공학 도서 (기계) Friction contacts are used to transmit forces or to dissipate energy. Examples for dynamical engineering systems with friction are brakes, machine tools, motors, turbines, blog.naver.com · 2020.01.20