Assertion: arc welding | /r/CapableOf | protect the weld
Facets:
value: from contamination
type: TRANSITIVE-OBJECT
Source sentences:
text: Unlike arc welding, which uses welding rods that are covered with a flux coating, metal inert gas (MIG) and tungsten inert gas (TIG) wire welding use a shielding gas to protect the weld from contamination as it forms and cools.