2. Is it important that base metal and filler rod have the same melting point or made of the same material in oxy-acetyl
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2. Is it important that base metal and filler rod have the same melting point or made of the same material in oxy-acetyl
2. Is it important that base metal and filler rod have the same melting point or made of the same material in oxy-acetylene welding? 3. What are the characteristics of the different welding rods use in oxy-acetylene welding? Please provide your answer on the table provided below