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Next, all vents throughout the building are closed or covered, and the vacuuming process begins. While the vacuuming is going on, we proceed to each room of the building, one by one, and use a special compressed air gun, air snake or whip. Thoroughly, we clean each vent, so that the dirt and dust is not only being pulled from one end by the giant vacuum, it is also being dislodged from the vent in each room. |