Page "Extra-vehicular activity" Paragraph 23

* The first metalwork in open space consisting in works of welding, brazing and metal spraying were conducted by cosmonauts Svetlana Savitskaya and Vladimir Dzhanibekov of the Soviet Union on July 25, 1984.

To perform these activities a specially designed URI multipurpose tool was used during a 3 hr, 30 min EVA outside the Salyut 7 space station.