referencew-psytallia-sewage-plant-2009-11-30_english-translation by admins | Nov 15, 2016 | 0 comments referencew-psytallia-sewage-plant-2009-11-30_english-translation Magnetizer results in the largest sludge (waste water) plant in EU, near Athens, Greece Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website