Charging the 500t open-hearth furnace with pig liquid iron.
Keywords: zaporizhstal, zaporozhye, metinvest, Запорожсталь, Запорожский металлургический комбинат, steelworks, ironworks, stahlwerk, huttenwerk, industriekultur, industrial photography, ukraine, záporoží, sssr, martinská ocelárna, open-hearth furnace, siemens-martin ofen, martinská pec, charging
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