<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.mwaka 1921, takribani tani 4,500 za ammonium nitrate zilisababisha mlipuko katika vinu vya oppau, ujerumani, na kusababisha vifo ya watu 500.  <response>: in 1921, about 45 00 tonnes of ammonium nitrate caused an explosion at a plant in oppau, germany, killing more than 500 people. 