#practical_application__practicalapplication__application  the act of bringing something to bear; using it for a particular purpose; "he advocated the application of statistics to the problem"; "a novel application of electronics to medical diagnosis
  supertype:  #utilization__use__usage__utilisation__employment__exercise  the act of using; "the steps were worn from years of use"
  subtype:  #misapplication  wrong use or application
  subtype:  #technology__engineering  the practical application of science to commerce or industry
     subtype:  #aeronautical_engineering  the activity of designing and constructing aircraft
     subtype:  #automotive_technology__automotive_engineering  the activity of designing and constructing automobiles
     subtype:  #chemical_engineering  the activity of applying chemistry to the solution of practical problems
     subtype:  #communications_technology  the activity of designing and constructing and maintaining communication systems
        subtype:  #digital_communications_technology  the design and construction of communications technology that transmits information in digital form
     subtype:  #computer_technology  the activity of designing and constructing and programming computers
     subtype:  #rail_technology__railroading  the activity of designing and constructing and operating railroads
        subtype:  #magnetic_levitation  high-speed rail technology; train is suspended on a magnetic cushion above a magnetized track and so travels free of friction

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