0:46
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Elevator or lift in motion regular small beep sound in background ends with lift stopping and doors opening
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0:01
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Button making machine
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0:16
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Turning on a grinder, running, then off
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0:08
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Constant mid pitch distorted noise
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0:06
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Metallic lever being operated strongly
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0:07
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Electric saw in use
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0:01
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Clink of machinery
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1:19
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The constant buzz of machinery motors inside clothing sweatshop or factory.
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0:11
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Heavy machinery working, close perspective
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0:03
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Switching off a large machine with predominant switch clicks
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