Welder

In construction, it is but the tasks of a welder to join  the materials together by welding, such materials are metals like steel, aluminum, brass, stainless steel, etc. most of the construction uses steel. Welders are the one who join the steel together in order that it will be use for constructing building and thus it helps and the steel is the one that supports the building to be firm. A mixed cement is poured into the fabricated steel.

A welder is a tradesman who specializes in welding materials together. The materials to be joined can be metal (such as steel, aluminum, brass stainless steel and others.) or varieties of a plastic or a polymer.

A welder has a very risky job and needs proper precautions appropriate for the process. Because many common welding procedures involve an open electric arc or flame, the risk of burns is significant. However with the use of new technology and proper protection the risk of injury and death associated with welding can be greatly reduced. To prevent them, welders wear personal protective equipment in the form of heavy leather gloves and protective long sleeves jacket to avoid exposure to extreme heat and flames. Additionally, the brightness of the weld area leads to a condition called arc eye in which ultraviolet light causes the inflammation of the cornea and can burn the retinas of the eyes. That's the cause why sometimes some welders would often complain of having an itchy and painful feelings with their eyes and it turn to red. That is because sometimes they lack protection before doing their job. They need to wear goggles and welding helmets with dark face plates to prevent this exposure.

Welders are also often exposed to dangerous gases and particulate matter. Process like flux-cored arc welding and sheilded metal arc welding produced smoke containing particles of various types of oxides, which in some cases can lead to medical conditions like metal fume fever. Additionally, many processes produce fumes and various gases, most commonly carbon dioxide and ozone, that can prove dangerous if ventilization is inadequate. Furthermore, because the use of ompressed gases and flames in many welding processes pose an explosion and fire risk, some common precautions include limiting the amount of oxygen in the air and keeping combustible materials away from the workplace.

Welding can be a dangerous job for welders but still they continue doing their job to contribute their skills to the community.

Source: en.wikipedia.org