Eslovaquia 1 Industria minera 1 Mining industry and finance 1 Slovakia 1 Spi<U+009a> 1 contaminacin̤ 1 contamination আরও ... contamination degree 1 contamination factor 1 environment 1 environmental impact 1 factor de contaminacin̤ 1 grado de contaminacin̤ 1 heavy metals 1 impacto ambiental 1 medio ambiente 1 metales pesados 1 minera̕ 1 mining 1 n̕dice de carga de contaminacin̤ 1 pollution load index 1 soil 1 suelos 1 কম ...