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¥ Bio-Remediation Project in Acatzingo, Puebla in México. (QuickTIme slide show)
¥ Cleaning of an oxidation pond and dripping irrigation - Camposol - Alto Perú. (slide show)
¥ Cleaning Process of an Oxidation Pond - Colombia. (slide show)
¥ Compost Techniques production - Botanic Garden - Medellín - Colombia. (PPT slide show)
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