1 Chemicals and chemical preparations for use in the protection of heating systems, cooling systems, boilers and heaters; chemicals and chemical preparations for use in the manufacture of biocides and fungicides; chemicals and chemical preparations for use in the manufacture of biocides and fungicides for heating systems, cooling systems, boilers and heaters; radiator flushing chemicals; scale removing preparations for use in controlling and removing scale from heating systems, cooling systems, boilers, heaters, radiators, pumps and from pipes; compositions for use in preventing, controlling and removing scale from heating systems, cooling systems, boilers and heaters; chemical additives; chemical additives for use in heating systems, cooling systems, boilers and heaters to prevent and inhibit corrosion; chemicals and chemical preparations for use in sanitizing, flushing, sediment control, sediment removal, scale control, scale removal, deposit control and deposit removal in heating systems, cooling systems, boilers, heaters, radiators, pumps and pipes; chemical additives for the prevention of sedimentation