1 Chemical products and preparations, namely, a liquid solution formula for use with heating or cooling apparatus, installations or systems, namely, anti-freeze; chemical products in the nature of a liquid solution formula and preparations for use with central heating systems, cooling systems, boilers, heaters, radiators, pumps and pipes, namely, anti-freeze; chemical inhibitors for preventing metal corrosion in heating and cooling systems; chemical inhibitors for preventing metal corrosion for use with heating or cooling apparatus, installations or systems; chemical inhibitors for preventing metal corrosion for use with central heating apparatus, installations or systems; chemical inhibitors for preventing metal corrosion for use with central heating systems, cooling systems, boilers, heaters, radiators, pumps and pipes; chemical products in the nature of a liquid solution formula and preparations to inhibit, prevent or remove corrosion, sludge or scale; chemical products in the nature of a liquid solution formula and preparations to inhibit or prevent the formation of corrosion, sludge or scale in heating or cooling apparatus, installations or systems; chemical products in the nature of a liquid solution formula and preparations to inhibit or prevent the formation of corrosion, sludge or scale in central heating apparatus, installations or systems; chemical products in the nature of a liquid solution formula and preparations to inhibit or prevent the formation of corrosion, sludge or scale in central heating systems, cooling systems, boilers, heaters, radiators, pumps and pipes; radiator flushing chemicals; chemicals and chemical preparations for use with sanitizing, flushing, sediment control, sediment removal, scale control, scale removal, deposit control and deposit removal in heating or cooling apparatus, installations or systems; chemicals and chemical preparations for use with sanitizing, flushing, sediment control, sediment removal, scale control, scale removal, deposit control and deposit removal in central heating systems, cooling systems, boilers, heaters, radiators, pumps and pipes; chemical additives for inhibiting corrosion; chemical additives for the prevention of sedimentation in central heating systems; scale inhibiting preparations for use with central heating systems, cooling systems, boilers, heaters, radiators, pumps and pipes