Belgol-class tankerBelgol-class tankers were a class of oil tankers used by the United Kingdom during the 20th century.ClassThere were ten tankers in this class, which could each hold about 2000 tons of fuel. Five of the ships were named after Allied countries, while the others were given names indicating power or speed, and all names ended with -ol. Three of the ships had upright funnels with a single tall mast close by, while the others had a raking funnel and two raking masts. During World War II, the main masts of the ships were removed. Four of the ships were sunk.