4374 管: pipe, tube: The gas pipe exploded. 5038 喜び: joy, delight: People exploded with joy. 5423 爆発: explosion, eruption: The dynamite exploded. 6878 火薬: gunpowder: Gunpowder exploded and some people were injured. 7696 ダイナマイト: dynamite: The dynamite exploded.