| ZelnovaZeltia – Waste treatment: The use of a solid waste separation center, and a wastewater treatment plant for separating water and liquid wastes; it separates waste at source and is a member of several waste management systems, such as ECOEMBES (packaging waste), ECOELEC (electricity appliances), ECOPILAS (dry cells and batteries) and SOGARISA (Galicia industrial waste treatment and disposal center).