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__Home __Gravity Racer for Tech-Fair 2010 Unit 5 Invention-InnovationJanuary 2010 The Engineering Design Process [|Calendar] WOODSHOP LAYOUT [|Top Ten African American Inventors] Elijah McCoy Lweis Latimer Granville T. Woods Jan Ernst Matzeliger George WashingtonCarver Madam C.J. Walker Otis Boykin Dr. Patricia E. Bath Lonnie G. Johnson 9 Core Technology System picture Warm-Ups December 2009. Tools and Machines The System Approach bflatjms cmintjms djwtjms estotjms hweetjms hweetjms-tech+expo jaldtjms jaldtjms-+tech+expo jlantjms JLucTJMS jmertjms jnaitjms Jsiltjms Jvanbtjms mmcotjms qmartjms rsimtjms tmantjms tstatjms bcartjms mrzetjms jfritjms [|nclitjms]