Foto switchyard
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mesin industri abu-abu, hockenheim, switchyard, transformator, relay, distribusi, stasiun, listrik, gardu, tegangan -
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abu-abu, listrik, transmisi, biru, langit, hockenheim, switchyard, transformator, relay, distribusi -
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switchyard, kereta api, transportasi, rel, saklar, trek, area, kargo, gerbong, angkutan
