How to Hire Welders There are several types of occupations that people to carry out to earn their daily bread. Welding is one of the careers that deal with metal fabrication works. Metals are elements that are naturally formed under the earth. There are several categories of metals. Some of the examples of categories of metals are aluminum, copper, steel, and iron. Metals differ in terms of color and weight. Metals are not cheap as compared to other materials. It has been known for metals to be used in making auto parts, jewelry items, construction of structures. Metals like other items are prone to destruction. It has been realized for factors such as external elements and friction to cause wear in metals. External elements such as water and chemicals have been known to cause rusting on metals. Metals can be prevented from rusting by painting method. We usually use metals …
