For welded shells, only a material whose weldability has been fully demonstrated shall be used.

For welded shells and jackets only materials whose weldability has been fully demonstrated shall be used.

Compressor Welding equipment

Oxygen gas welding kit

Heavy duty MIG welder Hydraulic trolley

The materials shall in principle conform to national or international material standards. For welded shells only a material whose weldability has been fully demonstrated shall be used.

They're slow in a partwelded hull.

And what you do is you put it together in three layers, you weld it around the edge, and then you inflate it.

Welded pipe joints shall be used wherever possible.

Elsewhere pipe joints shall be welded when necessary.

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You see a girl here who is trained as a welder.

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Why welding and why not computers?

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6.6.2.5.9 Joints in copper tubing shall be brazed or have an equally strong metal union.

6.6.3.5.11 Joints in copper tubing shall be brazed or have an equally strong metal union.

6.6.4.5.11 Joints in copper tubing shall be brazed or have an equally strong metal union.

In November 1994, NASA and the Paton Welding Institute in Kiev, Ukraine, initiated a joint project called the International Space Welding Experiment.

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Regulations on permissible noise levels from arc welding equipment, No. 331 1994

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