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Concrete pillars with electrical wires, coils of cables and switching equipment. Electricity transmission, power supply. View from below, against clear blue sky background, without clouds. Close-up.
Young Indian woman feeling sleepy or fatigued, looks bored or disengaged with her current task, sits at table with laptop, cover mouth with palms while yawning, sign of natural drowsiness, tiredness
Schematic diagram of analog electronic device. Vector drawing electrical circuit with resistor and transistor.
Ocean, sea topographic map with vector line contours of marine floor. Blue background with abstract topography pattern of sea depth, bottom relief, stream routes. Underwater landscape topographic map
No swimming sign with red flag on the beach of Goa

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