Celebrex arthritis drug safety study surprises heart experts. Back in 2004, a popular arthritis drug called Vioxx was pulled off the market when studies showed daily long-term use could increase the risk of heart attack, stroke and death.
How Steel is Made: a Brief Summary of a Blast Furnace: There are two types of metals, ferrous & non-ferrous. Ferrous comes from, or contains iron, while Non-Ferrous does not contain iron. Some examples of ferrous metals would be mild steel, cast iron, high strength steel, and tool steels. Examples of non-ferrous metals would be copper, aluminum, magnesium, titanium, etc. To make steel, iron ore is first mined from the ground. It is then smelted in blast furnaces where the impurities are removed and carbon is added.
1 Stainless steel is a very common type of steel. 2  Steel is made by combining iron with other metals. 3  Stainless steel is used in building parts, cooking pots and pans, cutlery and surgical equipment.ses of Iron. 1  Iron catalysts are used in the Haber-Bosch Process to produce ammonia and the Fischer-Tropsch Process to convert carbon monoxide to hydrocarbons used for fuels and lubricants. 2  Iron metal is strong but is also quite cheap. 3  Therefore, it is the most common metal in use today.