HP of Yutaka Nishiyamayutaka-nishiyama.sakura.ne.jp/keidai/keidaironshu_052...back. (2) A horizontal...
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HP of Yutaka Nishiyamayutaka-nishiyama.sakura.ne.jp/keidai/keidaironshu_052...back. (2) A horizontal throw results in the boomerang rising steeply and falling straight down. (3) A