Construction of buildings, driving piles, environmental sounds:
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Start, compressor, Build, shutdown, run
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Grinder tool and pipe
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Tool box dragged across the floor
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Removing a nail from a tree
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Compaction of soil with a vibrating plate
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Bulldozer starts, expects to be jammed
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Blows on concrete, Hammer and chisel
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Electric saw
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The bulldozer starts, leaves
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Electric tile cutter
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Floor polisher
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Drill
★★★★★