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9620 800x600 optical fiber, filament, glow
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6863 800x600 light bulb, filament, light
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13143 800x600 light bulb, edisons lamp, filament
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19235 800x600 light bulb, edisons lamp, filament
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9871 800x600 bulb, spiral, filament
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7262 800x600 light bulb, edisons lamp, filament
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12002 800x600 light bulb, electricity, light
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7937 800x600 light bulbs, light, electricity