Welding in an atmosphere of shielding gases – /ˈwɛldɪŋ ɪn ən ˈætməsfɪər ʌv ˈʃiːldɪŋ ˈɡæsɪz/ – a welding method using an arc, in which gas (hydrogen, carbonic anhydride gas, nitrogen, helium) is injected into the welding environment in order to protect the arc and the welding bath from atmospheric air. with a non-liquid electrode) is used.
Ex. In the world of mining, welding in an atmosphere of shielding gases is a common practice to ensure the secure and durable construction of equipment and infrastructure deep underground