energy production: hydroelectric power plant

activity alternative architecture assembly belt big buildings clean company complex construction conveyor dark device economy electric electricity energy engine factory fuel generate generation generator heat heavy hidraulic hydro hydroelectric hydroelectricity hydropower industrial industry insurance laborer labourer lighting lights line machine machinery manufactory manufacture nonuclear oil operator overhead pipe plan plant power producing production project rill river rivulet run runnel running smoke smokestacks smoky steel stream streamlet structure supply technical technique towers union view water watercourse waterpower workrunoftheriver