odpadové vody 2 Exclude matching results sewage water ekologické záťaže 1 Exclude matching results environmental stresses 1 Exclude matching results industrial emissions 1 Exclude matching results priemyselné emisie 1 Exclude matching results sewage disposal plants 1 Exclude matching results sewage purification 1 Exclude matching results vodné hospodárstvo 1 Exclude matching results water management 1 Exclude matching results čistenie odpadových vôd 1 Exclude matching results čistiarne odpadových vôd 1 Exclude matching results