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...fined and separated, most easily by [[boiling point]], into a large number of consumer products, from [[petrol]] and [[kerosene]] to [[asphalt]] and chem ...aries depending on the subsurface conditions, and on the [[phase diagram]] of the petroleum mixture.<ref name="Hyne 2001">Hyne (2001), pp. 1–4.</ref>

Commercial fishing is a major industry in Alaska. ...the early 17th century. Russians came to Alaska to harvest there abundance of sealife, as well as Japanese and other Asian Cultures.