21.   The European Union today joined U.S. efforts at the World Trade Organization to end alleged Japanese trade discrimination against foreign producers of film and photographic paper.

22.   The new-fangled method, called cold type, used long strips of photographic paper to produce stories.

23.   The prints that Wolf makes from film and from digital images are done on photographic paper.

24.   The system includes a photographic printer, a scanner to convert photos into electronic images, a digital camera and special photographic papers for the printer.

25.   The transmitted images often resemble Rayographs, the pictures produced when the artist Man Ray placed items on a sheet of photographic paper and exposed them to light.

26.   The six images seem to have been captured in an instant, but the artist has painstakingly fashioned the inert materials and exposed them on photographic paper.

27.   Unlike photographs that are printed with chemicals on photographic paper, these pictures never fade.

28.   Working without cameras, he experimented with direct application of fluids and objects to photographic paper, producing luminous abstractions.

29.   Commerce dropped its investigation of Fuji after the company agreed to raise prices on exports of color negative photographic paper.

30.   He also experimented with placing plastic ice-cube trays filled with marbles on the photographic paper, then allowing light to play with the image.