Gupima vuba kandi mu buryo butaziguye icyifuzo cya ogisijeni ikenewe (COD), azote ya amoniya, fosifore yose, azote yose, ibinini byahagaritswe, ibara, imivurungano, ibyuma biremereye, ibyuka bihumanya, imyanda ihumanya, n'ibindi mu mazi, ecran ya santimetero 7, 360 ° izunguruka amabaraburyo,Imigaragarire yuzuye yicyongereza.