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b3tarev3: Top of the concrete winder
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b3tarev3: Cage
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b3tarev3: Bells
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b3tarev3: Wheel with flat rope
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b3tarev3: Winder
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b3tarev3: Winder
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b3tarev3: Fan motor
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b3tarev3: Fan
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b3tarev3: Ventilation tunnel from fans to shaft
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b3tarev3: Ventilation Shaft
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b3tarev3: Ventilation Shaft