slag dump, metallurgical slag, ash and slag waste. waste disposal and slag-containing metallurgical wastes, residues of ferrous

ash background beautiful belt black blue bog coal construction conveyor disposal dried dump ferrous field flowers green ground heap industrial industry land landscape leaf metal metallurgical metallurgy mine mining nature pattern pile plant polluted processing red residues river sky slag slagash slagcontaining slagheap summer texture transportation travel ukraine waste wastes yellow