What is the difference between shielded metal arc welding and manual metal arc welding?
Shielded by striking arc between coated electrode & base metal manual bare metal rod no flux coating to give protective gas shield
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About Gas
Gas is technically a state of matter where molecules are in an excited state, but is more often used as a reference to the fuel, gasoline. Gasoline is also known as petrol due to its derivation from petroleum.
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