sentence: The video shows a demonstration of Dyson vacuum cleaner and how well it can clean particles from the floor. sentence:  There's rice grain, flour and other food particles scattered on the floor. sentence:  The demonstrator turns on the vacuum cleaner and begins vacuuming the floor with the yellow Dyson vacuum. sentence:  The person uses back and forth motion to clean the particles till all the particles are sucked into the vacuum, leaving the floor clean.