The most important use of oxygen is in respiration. Oxygen is of great importance in the chemical and the iron and steel industries.Its other major use is in steel production â¦ , for example in the Bessemer process. The oxyacetylene torch is another important industrial application.ts other major use is in steel production, for example in the Bessemer process. The oxyacetylene torch is another important industrial application. Oxygen is utilized in medicine in the treatment of respiratory diseases and is mixed with other gases for respiration in submarines, high-flying aircraft, and spacecraft.
Ireland is known as the Emerald Isle. Green is traditionally worn on St. Patrick's day to honor the Emerald Isle. Tradition holds that on that day, people who do not wear green are pinched as a reminder to wear green to honor the Emerald Isle.
Despite that, scholars suggest that the term snakes may be figurative and refer to pagan religious beliefs and practices rather than reptiles or amphibians. 5. Patrick's color is blue. The original color associated with St. Patrick is blue, not green as commonly believed. In several artworks depicting the saint, he is shown wearing blue vestments. King Henry VIII used the Irish harp in gold on a blue flag to represent the country.