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Metallic 1-inch tubing dropped onto concrete, staggered.
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Thin metal pipes dropped on concrete, weak to strong.
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Thin metal pipes dropped strongly onto concrete.
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Thin metal pipes dropped hastily onto concrete.
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Thin metal pipes forcefully dropped on concrete.
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Thin metal pipes falling on concrete.
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Thin metal pipes bouncing on concrete.
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Thin metal pipes dropping and bouncing onto concrete.
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Thin metal pipes dropping, bouncing and clattering onto concrete.
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Mixed metal pipes dropped onto concrete with mixed reactions.
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Mixed metal pipes dropped onto concrete thinly.
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Mixed metal pipes dropped onto concrete thin and slowly.
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Mixed metal pipes dropped onto concrete strongly.
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Mixed metal pipes dropped onto concrete strong and slowly.
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Mixed metal pipes dropped onto concrete slowly.
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Mixed metal pipes dropped onto concrete indecisively.
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Mixed metal pipes falling onto concrete, heavy to thin.
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Mixed metal pipes unloaded gradually on concrete.
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Mixed heavy metal pipes unloaded gradually on concrete
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Mixed metal pipes dumped on concrete.
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