Assertion: hydrogen | /r/ObjectUse | used as shielding gas
Facets:
value: for welding
type: PURPOSE
Source sentences:
text: It is used as a shielding gas for welding, isolating the site of the weld from atmospheric gases such as oxygen and nitrogen.
text: Hydrogen is used as a shielding gas for welding, isolating the site of the weld from atmospheric gases such as oxygen and nitrogen.
text: Hydrogen is used as a shielding gas for welding, isolating the site of the weld from atmospheric gases such as oxygen and nitrogen.
text: Hydrogen is used as a shielding gas for welding, isolating the site of the weld from atmospheric gases such as oxygen and nitrogen.
text: Hydrogen is used as a shielding gas for welding, isolating the site of the weld from atmospheric gases such as oxygen and nitrogen.
text: Hydrogen is used as a shielding gas for welding, isolating the site of the weld from atmospheric gases such as oxygen and nitrogen.
text: Hydrogen is used as a shielding gas for welding, isolating the site of the weld from atmospheric gases such as oxygen and nitrogen.