Colombia Industria minera Mining industry and finance 1 aire 1 amalgamacin̤ 1 amalgamation 1 contaminacin̤ 1 περισσότερα ... contamination 1 efectos en la salud 1 environment 1 environmental impact 1 gold 1 health effects 1 impacto ambiental 1 medio ambiente 1 mercurio 1 mercury 1 minera̕ 1 mining 1 oro 1 toxicidad 1 toxicity 1 λιγότερα ...