​Why Would Some Large Plasma Cutting Machines Have Two Gas

question 2

Multiple Choice

​Why would some large plasma cutting machines have two gas hoses?

• A) ​One for cooling and one for the plasma gas.
• B) ​One is a backup in case the other is damaged by the hot sparks and slag.
• C) ​One for the plasma gas and one for the shielding gas.
• D) ​Torches only need one gas hose.

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