Shielding gas

https://www.wikidata.org/wiki/Q491699

Field Hierarchy

Parent
Physics 31.7M papers	Chemistry 28.4M papers	Engineering 23.9M papers	Materials science 18.2M papers
Quantum mechanics 13.1M papers	Composite material 8.6M papers	Optics 7.9M papers	Mechanical engineering 5.3M papers
Metallurgy 4.7M papers		Crystallography 2.1M papers
Current
Shielding gas 3,686 papers
Child
Carbon arc welding 728 papers

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History