The new governor has made a 'clean sweep' of the staff in the governor's mansion. [=the new governor completely replaced the former governor's staff]
He gave the floor/room a quick 'sweep'. [=he swept the floor/room quickly]
The election was a 'clean sweep' for local Democratic candidates.
(..) for the deaths of almost people... ...would you really wanna know? , - - Based on random audio sweeps, I've projected that right now... ... percent of the public believe the terrorist is still alive. We're also showing a -percent increase... (..)2005 V for Vendetta
(..) A recording device was found wired into the central emergency-broadcast system. The DCD was Tchaikovsky's . Yes, sir. We also doubled our random sweeps and are monitoring phone surveillance... ...indicating a high percentage of conversation concerned with the explosion. , (..)2005 V for Vendetta