Question

For welding metal , the gases used are and or ​

Answer 1

Answer:

hydrogen and oxygen are used in welding

Answer 2

Answer:

Gases used in welding and cutting processes include: shielding gases such as carbon dioxide, argon, helium, etc. fuel gases such as acetylene, propane, butane, etc. oxygen, used with fuel gases and also in small amounts in some shielding gas mixtures.

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