Welding is a career where a person works closely with steels and light metals. These come in all shapes and sizes; some are used for the building of bicycles and aeroplanes. Welders have the duty of securing metals together to create sturdy, safe, strong structures. Welding is an intricate job which requires utmost attention and focus at all times. There are many methods of welding and each method has different precautions to adhere to. Shielded metal arc welding (SMAW) uses an electric current to weld and Gas metal arc welding (GMAW) uses a constant wire feed as an electrode.
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