Tyre repair adhesives; tyre repair mastics; chemicals for use as repellents by virtue of their odour; chemicals for use in fire extinguishing; fire extinguishing chemicals; fire extinguishing compositions; fire extinguishing foam compositions; polyurethanes; fuel-saving preparations; acidulated water for recharging accumulators; acidulated water for recharging batteries; battery fluid (acidulated water); detergent additives for fuels; detergent additives to petrol (gasoline); cement for pneumatic tires (tyres); tyre repair composites; tyre repairing compositions