Chemical preparations for use in photography; Chemical reagents, other than for medical or veterinary purpose; Chemicals for use in biotechnological manufacturing processes; Chemicals for use in the process of producing printed circuit boards, namely, solder mask; Chemicals used in industry; lower preservative; Photographic dry plates; Photographic paper, chemically-sensitized; Photographic sensitizers; Photosensitive paper; Photosensitive paper for use in medical imagery; Polymers and polymeric additives for use in the manufacture of industrial products, consumer and household products, sealants, and automotive fluids; Reducing agents for use in photography; Self-toning photographic paper; Wood glue for industrial use