Task: Translation
Input (Czech): Použití kapalného prostredku obsahujícího smes soli C.sub.1-2.n. karboxylové kyseliny a soli C.sub.3-5.n. karboxylové kyseliny v pomeru 3 : 1 až 1 : 3 jako chladicího prostredku u automobilových motoru.
Output (English): In the present invention, there is disclosed an aqueous fluid composition for use as a coolant composition in automotive engines comprising a mixture of a Cl-C2 carboxylic acid salt and a C3-Cs carboxylic acid salt wherein the ratio of the Cl-C2 carboxylic acid salt to the C3-Cs carboxylic acid salt is from 3: 1 to 1: 3.