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βAstroMuon Kuki Thupi ilut masang un Aviation khangtou dan anave ta diute. "Battle of Gravelines" 8th August 1588 chu Spanish le France te kidouna anahi ahi. Armada Spanish kuong chu alien in, agih jong agih in, alet dungjui in angan lheh kit in ahi. Langkhat a English Naval kuong chu neocha ahijeh in agang in, ahehdan jong anuom lheh e. Hijeh chun hiche battle chu English Naval kuong in anajouvin ahi.Ipi jeh inem itile "Fluid dynamics/mechanics" ahet jeh u ahi. Armada Spanish in joudia gel jong tamtah na um diu tahsan ahi. Hijongle "drag engineering problem" jeh a let vang'a lhahsap jeng thei ahi. Armada Spanish in alel jeh chu "drag problem" jeh ahi. Anungkai di tamval jeh a hatjou lou ahin hichu English Naval ho'n ahet jeh uva "drag problem" solve akibawl ule galjona chan u ahi. (Eiho nam jong hi Armada Spanish kuong tobang ihiuve) "Fluid Dynamics" khang chu ahung kichai ta'n aban in 17th December...