but buys them from the imperial family.'" Zhou Ping'an replied.Li Chen smiled and asked, "How can this palace trust you"Zhou Ping'an stood still and said, "What I just told your Highness is Ping'an's... comparison to hand grenades which employed a highly concentrated gunpowder mixture with steel ball bearings. The limitations were simply too great.The true use of gunpowder in an explosion on the bat...