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__    __    _____     _____    __   __    ______  
\ \\ / //  |  ___||  / ____||  \ \\/ //  /_   _// 
 \ \/ //   | ||__   / //---`'   \ ` //   `-| |,-  
  \  //    | ||__   \ \\___      | ||      | ||   
   \//     |_____||  \_____||    |_||      |_||   
    `      `-----`    `----`     `-`'      `-`'

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Text this: Attenuation effect of artificial cavity on air-blast waves in an intelligent defense layer