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Hand slapping a leather bound book four times
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Chrome steel fixed-weight dumbbell, 20 pounds, setting down hard on a metal rack in the distance
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Plastic cassette tape shell case swaying and squeaking and accellerating, short
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Nautilus recumbent exercise bike feet in stirrups in the distance
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Adjustable spinlock steel plate dumbbell 5 pound plates off
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Chrome steel fixed-weight dumbbell, 20 pounds, setting down on a metal rack in the distance 2
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Nautilus elliptical machine working quickly in a loop
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Nautilus recumbent exercise bike pedaling slowly in a loop in the distance
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Chrome steel fixed-weight dumbbell, 20 pounds, hitting loosely in the distance
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Oil in oil heater with liquid sloshing, complex