The movement of cars on the bridge, drone, thumping metal in the tunnel:
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Roll a metal barrel
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Metal creaks,, Big trolley being driven
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Mailbox opening, keying
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Creaking carousel
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Squeal of movement of metal on metal
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Creaking metal from friction
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Metal ringing, Shovel strike
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Anvil, hammer blows
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Kick on the car
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Fantasy metal ringing
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Falling object on a metal surface
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Squeaking metal screw in a light bulb
★★★★★