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Welding
Welding fumes are a type of airborne particles that are released by welding processes They are made up of a mixture of gases and solid particulates, such as vaporized alloys, oxides, and metal particles. These fumes are an occupational hazard, as they can cause a host of health issues when inhaled. The five best examples of welding fumes include ferrous oxide, zinc oxide, nickel oxide, chromium oxide, and manganese oxide: Ferrous oxide – Ferrous oxide, or “Fe2O3”, is a type of welding fume that is released from welding iron or steel. This dark gray-black powder can irritate the upper airways and cause a flu-like illness, with symptoms such as nausea, fatigue, and chest discomfort. Zinc oxide – Zinc oxide is a type of welding fume released from welding galvanized steel and zinc. This white powder acts as an irritant to the eyes, nose, and throat, and can cause vomiting and burning sensation. Nickel oxide – Nickel oxide is a type of welding fume released from welding stainless steel and nickel. This black powder is an irritant to the respiratory system, and can cause coughing, chest discomfort and tightness, and difficulty breathing. Chromium oxide – Chromium oxide is a type of welding fume released from welding stainless steel, chrome-plated steel, and other chrome alloys. This odorless, red-brown powder can cause a dry throat, eye irritation, and asthmatic reactions in some people. Manganese oxide – Manganese oxide is a type of welding fume released from welding mild steel and manganese steel. This gray-black powder is the most dangerous type of welding fume, and has been linked to the serious neurologic disorder known as “manganism”. Understanding these five common types of welding fumes is crucial to safety in welding operations. Employers must ensure that their welders are properly protected with respirators and other safety equipment, and understand the health risks associated with these fumes. Proper safety procedures are essential to protect against injury, illness, and long-term health problems.