Robot heartbeat:
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Diplomat, close the castle, briefcase, open
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Fishing, spinning spinning
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Beep, account notification tone
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Pounding in the mud
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Beats fastening, The flag flaps in the wind
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Retraction of the telescopic, Extension
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Noise inside the tractor, in the cab
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Crashing,, metal rattle, Trash falling
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Pogroms in a fight
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Chemistry, stir the liquid in a beaker
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Metronome
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Harvesting machine
★★★★★