en_captions: A documentary discussing the mopping bucket and mopping procedures.  The documentary shows the mopping process with
  a mop and bucket.  A clip of images of research and development department and laboratory and quality control departments. 
  A mop being dipped into a yellow bucket and the ringing of the mop and the mop sliding across the floor with more dipping the mop and ringing the mop.  More clips are shown of the contaminates left on the floor is shown after all of the mopping is completed.