sentence: A documentary discussing the mopping bucket and mopping procedures. sentence:  The documentary shows the mopping process with
a mop and bucket. sentence:  A clip of images of research and development department and laboratory and quality control departments. sentence: 
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. sentence:  More clips are shown of the contaminates left on the floor is shown after all of the mopping is completed.