. "Type 4 \"Ceramic\" grenade"@en . . "The Type 4 Grenade or Ceramic Grenade (\u56DB\u5F0F\u9676\u88FD\u624B\u69B4\u5F3E, Yon-shiki t\u014Dsei tery\u016Bdan) was a \u201Clast-ditch\u201D hand grenade developed by the Imperial Japanese Navy in the closing stages of World War II."@en . . . .