Вставьте артикли где нужно …. British Isles possess some mineral resources. They are coal, iron ore, tin, limestone, chalk, clay, slate and some others. … U.K. is rich in coal, but its production declined when a number of natural gasfields and oilfields were discovered in … North Sea. Natural gas began to be produced in the 1960s, and oil - in the 1970s. Britain is … world’s fifth largest oil producer. … oil is brought ashore by submarine pipelines to the refineries. There are also a series of onshore pipelines which carry refined products to major marketing areas. Offshore natural gas is distributed through 5,600 km of high-pressure pipelines and is used by industries and for commercial and household purposes.