Before revision: Equipment Underwater oxygen arc cutting, shielded metal arc cutting, and wet welding are performed with basically the same high current DC welding equipment, to which special electrode holders and an oxygen supply are added for Oxygen-arc cutting.
After revision: Diver uses a grinder to trim down a repair patchEquipment Underwater oxygen arc cutting, shielded metal arc cutting, and wet welding are performed with basically the same high current DC welding equipment, to which special electrode holders and an oxygen supply are added for Oxygen-arc cutting.