User:Yasobara

Hello, My name is Yasuhiko Obara. I live in Redmond, Washington, U.S.A. I moved from Japan to the U.S. in 1986. I am a retired aeronautical engineer specialized in civil air transport structure.

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ja-N この利用者は日本語を母語としています。 en-4 This user has near native speaker knowledge of English.
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