Chemicals for use in industry, fluids (liquids) in particular antifreezes, anti-limescale liquids, stabilisers in general, for cooling circuits for internal combustion engines, in particular for motor vehicles, tractors, earth-moving machines, commercial and industrial vehicles, 2/4 time engines for motor vehicles, fixed and naval engines; anaerobic adhesives for industrial purposes; preparations for descaling and cleaning radiators, internal combustion engines and related cooling circuits; industrial cleaners; motor fuel additives; liquids for vehicle brake circuits; protective anti-freeze fluids for compressed-air braking systems of industrial vehicles; liquids for the steering system