Construction, loading of cement, the beginning of pouring:
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Drill machine
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Construction of buildings, driving piles,
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Construction of the road, clean the old
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Drill, remove drill, insert
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Expects to be jammed, Excavator starts up
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Concrete mixer
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Tool box, open, close the lid
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Floor polisher
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Sandpaper, rough sandpaper
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Jamming, Bulldozer approaching
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Bulldozer working
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Electric polished marble
★★★★★