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The stylized height of the topographic contour in lines and contours. The concept of a conditional geography scheme and the terrain path. Vector illustration.
Pumped hydropower storage for hydro electricity production outline diagram. Reservoir, generator and turbine principle scheme for renewable power vector illustration. Solar water transmission unit.
Circle infographic template with three steps or options, process chart, vector eps10 illustration
Hand drawn science formulas on chalkboard for background.
Four rotation arrow in circular motion. Color circle arrow combination. Circular infographic. Graphic diagram. Design element. Vector illustration isolated on white background.

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