| http://www.w3.org/ns/prov#value | - When the floating roof of such a tank for storing liquid products is low, it is not possibleto use the customary systems normally used for heating liquid products in general; these basically depend on a variety of factors, such as the type of product, the amount stored, the temperature to be reached, and the heating time.The present invention aims to provide tanks with low floating roofs, such as
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