καμινάδα, την προστασία του περιβάλλοντος, άνθρακα, περιβάλλον, ρύπανση, μόλυνση του αέρα, εργοστάσιο ηλεκτρισμού, βιομηχανική μονάδα, καυσαέρια, καπνός, ατμός
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