Hammer and chisel, wood blows:
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Construction of the road, clean the old
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Waits, shuts down, Bobcat loader starts up
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Concrete mixer
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Cutting machine
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Screwdriver screwing a screw into a tree
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Start up, Bobcat loader, drive away
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Leaves, The bulldozer starts
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Saws,, hammers, Construction of buildings
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Fine Emery, Sandpaper
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Bobcat loader works, loads
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Knocking a hammer indoors with an echo
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Construction of buildings, driving piles,
★★★★★