 Ahavuye isanamu, Getty Images Insiguro yisanamu, Icyambu cya Immingham cyo mu karere ka Lincolnshire Hagati aho, kompanyi Portico yo ku cyambu cyi Portsmouth, yaretse ubusabe bwo gushaka kubika nitrate dammonium, ivuga ko iki kinyabutabire kitazagera aho ikorera. 