Construction, cement loading, end of pouring:
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Close the lock, Tool box, open
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Electric planer
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Bobcat loader starts up, shuts down, waits
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Electric surface grinding machine
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Electric tile cutter
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Leaves, Excavator starts
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Excavator, engine noise
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Vibratory grinding machine
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Sawing
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Tool box, open, close the lid
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Wood blows, Hammer and chisel
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Drive away, Bobcat loader, start up
★★★★★