21.   The floor was covered with a white, powdery substance that turned out to be flour.

22.   The floor was covered with dust.

23.   The floor was covered with spatters of paint.

24.   Those sheets are kind of new, so use something else to cover the floor while painting.

25.   The jungle floor was covered in vines and growths which attacked the feet, impeding movement.

26.   The floor was covered in thick creamy carpet on which stood squat, natural leather chairs.

27.   Aluminum panels, buffed to a matte finish, cover the floor and intensify the light pouring in from three glass walls.

28.   An artificial sisal carpet with wall-to-wall foam pad has covered the floor for four years.

29.   Another option is to cover the floor with quarter-inch-thick plywood, and then apply the flooring.

30.   As she methodically covers the floor, she forces the audience out of the room.