Most Australian welders are exposed to high levels of dangerous fumes. More than 40,000 may be at risk

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Census data show at least 60,000 people are employed as welders in Australia. Welders work in a variety of industries, including construction, manufacturing and mining.

Welding is a method used to join metals together by heating them to a high temperature and then allowing them to cool, forming a strong join. This process creates fumes.