Knocking hammer indoors, the sounds of the environment outside the window:
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Construction, concrete processing
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Diesel engine
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Excavator starts up, expects to be jammed
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Screwdriver screwing a screw into a tree
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Work with a shovel
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Reverb sawing, Hacksaw
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Tool box, open, close the lid
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Electric saw
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Grinder tool and pipe
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Bobcat loader, start up, drive away
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Leaves, The bulldozer starts
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Vibratory grinding machine
★★★★★