Acids; vulcanising preparations; ammonium salts; ethers; surface-active chemical agents; silica gel; textile-waterproofing chemicals; finishing agent for printing and dyeing; cement-waterproofing chemicals, except paints; damp-proofing chemicals, except paints, for masonry; petroleum dispersants; degreasing preparations for use in manufacturing processes; disincrustants; detergents for use in manufacturing processes; preparations for preventing the tarnishing of glass; detergents for industri...