Arthur Clears the Air. Word Search Puzzle Solver. Arthur Clears the Air word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. A National Coal Board film produced to promote a 'Housewarming Plan' initiative following the 1956 Clean Air Act. This includes identifying and searching for words that are related to : Charlotte Mitchell, John Harvey, Philip Guard, Norman Pierce, Documentary .