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dokuroou: Twitter / alive_at: 大学の掲示板が辛辣wwwwww …

dokuroou: Twitter / alive_at: 大学の掲示板が辛辣wwwwww …

やる気が出ないときはコレ!「片鼻呼吸法」で頭スッキリ、快眠にも! - いまトピ

やる気が出ないときはコレ!「片鼻呼吸法」で頭スッキリ、快眠にも! - いまトピ

Aerial Dead Reckoning Computer Type E-6B was used in WWII to account for changes in air density and wind when calculating flight time. Artifact: Gift in memory of Nash Roberts, from the collection of The National WWII Museum

Aerial Dead Reckoning Computer Type E-6B was used in WWII to account for changes in air density and wind when calculating flight time. Artifact: Gift in memory of Nash Roberts, from the collection of The National WWII Museum